Yemen media and news releases
23 March 2017
Yemen: Displaced people in Ibb governorate afflicted by severe poverty and serious health risks
Zafaran, a displaced woman from Taiz City, has been forced to sell the only mat in her cramped room to pay to refill a small cooking gas cylinder. For her, sitting on the concrete floor is less painful than keeping her two children hungry.“When the bombings intensified in our neighborhood, we fled barefoot and we couldn’t even bring any clothes with us. We took shelter in a school but a few days later we were asked to leave and we ended up in this crowded place in Ibb,” Zafaran recalled.
21 March 2017
Yemen: New life granted to family after cholera diagnosis and treatment
21 March 2017 – It was a shattering blow to Basheer Thabet from Sana’a, Yemen, when he learned that his eight children and wife tested positive for cholera in October. A cholera outbreak was officially announced in the country in October.
9 March 2017
Kidney patients struggle as Yemeni health crisis worsens
“I feel anxious every time I come here as I don’t know if I will able to get my treatment,” says 37-year-old Salim Ali, a renal failure patient who for the last 17 years has come to Al Hudaydah Renal Dialysis Centre in Yemen for bi-weekly haemodialysis sessions. Haemodialysis is a treatment for patients with severe kidney failure using a dialysis machine to clean the blood. In general, haemodialysis takes between 3 and 5 hours and is done 3 times a week.
2 March 2017
Yemen: WHO conducts cross line delivery of essential medicines and medical supplies to Taizz enclave
A World Health Organization (WHO) truck carrying more than 8 tonnes of essential medicines and medical supplies has arrived safely in Taizz enclave, Yemen, where more than 350 000 people are in urgent need of health care services. This is the first cross line delivery of essential medicines and medical supplies since the beginning of the conflict.
2 March 2017
Yemen: WHO airlifts cholera and tuberculosis medical supplies to Yemen
2 March 2017, Sana’a – A plane carrying 8 metric tonnes of cholera kits and tuberculosis medicines provided by WHO and the Global Fund has landed in the Yemeni capital, Sana’a.
Yemeni health system crumbles as millions risk malnutrition and diseases
23 February 2017, Al-Hudaydah, Yemen - “Hospital staff have not received their salaries for the past 5 months. There are acute shortages of certain medicines and we need more fuel to ensure the hospital has electricity,” says Dr Khaled Suhail, Director of Al-Tharwa Hospital in Yemen’s third largest city, Al-Hudaydah. With more than 1200 employees and 320 beds, Al-Thawra Hospital is the main functioning health facility in Al-Hudaydah and neighbouring governorate
20 February 2017
Yemen: National polio immunization campaign launched in Yemen
A nationwide polio immunization campaign was launched today in Yemen by national health authorities with support from WHO and UNICEF, aiming to immunize 5 019 648 children under the age of 5. More than 40 000 health workers are taking part in the 3-day campaign. In addition, religious and local council’s officials, as well as health educators are also mobilizing support for the campaign. High-risk groups, such as internally displaced persons (IDPs) and refugees, will also be reached.
12 February 2017
Yemen: WHO responds to health needs of populations fleeing conflict in Al-Mokha City in Taizz governorate
As violent conflict continues in Al-Mokha City in Taizz governorate, Yemen, more than more than 8000 internally displaced persons have fled to several districts of Al-Hudaydah governorate. WHO teams in the governorate are providing trauma care and primary health care services to newly displaced persons, and delivering medicines and supplies to health facilities.
1 December 2016
Additional cholera cases reported in Yemen
The Ministry of Public Health and Population in Yemen has reported additional cases of cholera in Yemen. To date, 7730 suspected cases of cholera, including 82 associated deaths have been reported (case fatality rate of 1.06%). Of these, 122 cases were laboratory-confirmed as Vibrio cholerae 01.
15 November 2016
WHO mission to Al-Hudaydah discusses urgent health needs
A joint United Nations mission to Al-Hudaydah governorate was conducted to learn more about the health situation in the governorate, discuss urgent health needs and partnerships for an integrated response, including cholera outbreak interventions. Representatives from WHO, OCHA and United Nations agencies discussed with national authorities ways of facilitating United Nations consignments to hospitals and health facilities, which are in urgent need of life-saving medicines and supplies.
6 November 2016
Survey reveals extent of damage to Yemen's health system
More than half of all health facilities in Yemen are closed or partially functioning, and there are critical shortages in medical doctors in more than 40% of all districts, according to a new WHO health system survey. Final findings from WHO’s Health Resources Availability Mapping System (HeRAMS*) in 16 out of Yemen's 22 governorates show that out of total 3507 surveyed health facilities, only 1579 (45%) are fully functional and accessible, 1343 (38%) are partially functional and 504 (17%) are non-functional. The survey also revealed that 274 health facilities are damaged as a result of the violence, including 69 facilities totally damaged and 205 facilities partially damaged.
27 October 2016
Yemen: WHO releases emergency funds to support cholera response
The World Health Organization (WHO) has released approximately US$ 1 million from its internal emergency funds to support the ongoing response to the cholera outbreak in Yemen. Since the outbreak was announced by the Ministry of Public Health and Population on 6 October, a total of 1184 suspected cases of cholera, including 6 deaths, have been reported. 47 cases have tested positive for Vibrio cholerae. However, a chronic lack of funding for Yemen is impeding action by WHO and health partners to effectively control and respond to the current outbreak.
18 October 2016
Cholera outbreak in Yemen: WHO and partners require US$ 22.35 million
The World Health Organization and health partners urgently require support from the international donor community to contain the spread of acute watery diarrhoea/cholera in Yemen. A total of US$ 22.35 million is required by the Health and Water, Sanitation and Hygiene clusters, of which US$ 16.6 million is immediately required.
10 October 2016
The silent impact of war in Yemen
13-year-old Mohannad was playing with his friend and brother in Taiz City when a mortar shell landed nearby. Suddenly, his care free days were turned into days of pain. Mohannad lost his brother in this attack. His friend was blinded and lost his leg. Mohannad suffered extensive burns and was transferred to Sana’a for surgery. All of this leaves this explosion resonating in this young boy’s mind. Previously cheerful and sociable, Mohannad became an introvert and a shadow of his former self.
7 October 2016
The Ministry of Public Health and Population announces cholera cases in Yemen
Yemen’s Ministry of Public Health and Population has officially announced the occurrence of 8 cholera cases among population in one of the areas of Sana'a city. The stool samples of these cases were tested positive for Vibrio cholerae. The cases were admitted to Al-Sabeen Hospital in Sana'a in the first week of October and are currently receiving treatment for acute dehydration in an isolated section of the hospital.
28 September 2016
Health services decline as conflict in Yemen continues
Yemen's 18-month conflict has led to depletion of health services, with more than 1900 out of 3507 health facilities in 16 governorates currently either not functioning or partially functioning, closing access to much needed essential health services to thousands of Yemeni people.
28 August 2016
Emergency medicines and medical supplies arrive in Taiz City
The World Health Organization (WHO), with support of the King Salman Centre for Relief and Humanitarian Aid, has delivered 2 trucks carrying more than 12 tonnes of emergency medicines and medical supplies to Taiz City.
24 August 2016
Fourth mental health and psychosocial support training takes place in Sana'a
The World Health Organization and Ministry of Public Health and Population started on 21 August 2016 the fourth workshop on mental health and psychosocial support during emergencies with participation of 30 primary health workers from Sana'a, Al-Hudaydah, Sa'ada, Dhamar, Al-Mahweet and Taiz governorates.
17 August 2016
WHO condemns attack on Abs Hospital and calls for protection of health staff and facilities in Yemen
WHO condemns the attack on Médecins Sans Frontières (MSF)-supported Abs Hospital in Hajjah governorate, Yemen, which claimed the lives of 11 people including an MSF staff member and injured 19 others, according to MSF. The local health office confirmed 18 killed and 18 injured within of hours after the attack.
6 August 2016
WHO expands its presence in Hodeida governorate
WHO has established a humanitarian hub in Hodeida governorate, together with United Nations agencies, including the Office for the Coordination of Humanitarian Affairs, Office of the United Nations High Commissioner for Refugees, Food and Agriculture Organization of the United Nations, International Organization for Migration and the United Nations Development Programme.
30 June 2016
WHO develops national strategy for dengue prevention and control
Sana'a, Yemen — Amid a significant increase in the number of suspected cases of dengue fever in Yemen, WHO and national programmes of the Ministry of Public Health and Population have adopted a national 5-year strategic plan to scale up preparedness and response activities for dengue fever prevention and control.
20 May 2016
WHO supports Yemen's Ministry of Public Health and Population to develop integrated nutrition surveillance system
Ongoing conflict, disruption of health services and food insecurity have worsened the general nutritional status of children and the population in Yemen, with more than 1 million children under the age of 5 acutely malnourished and almost 320 000 severely malnourished. Even prior to the crisis, Yemen had the second highest rates of malnourishment globally.
27 April 2016
From safe blood transfusions in South Sudan to hospital equipment for Yemen: Wide-ranging support from Japan
In a country facing ongoing conflict, safe blood transfusions are a life-saving necessity. They are used to treat those suffering from gunshot wounds and conflict-related injuries, but also children suffering from anaemia due to malnutrition often worsened by malaria, survivors of road traffic accidents and mothers who experience excessive blood loss during childbirth are bleeding severely.
21 April 2016
National polio immunization campaign concludes in Yemen
Sana'a – Yemen’s Ministry of Public Health and Population, with support from WHO and UNICEF, has concluded a national house-to-house polio immunization campaign, targeting 5 019 948 children under the age of 5 across the country.
18 April 2016
Government of Japan provides Yemen with funding for life-saving health and nutrition services
Sana’a, Yemen -- The World Health Organization expresses its gratitude for a contribution of US$ 6 million from the Government of Japan to support its response operations in Yemen. This contribution will ensure access to life-saving health and nutrition services for more than 922 000 Yemenis living in 5 governorates. Since 2011, the Government of Japan has contributed a total of almost US$ 150 million to support WHO’s work in Yemen, where more than 21 million people are currently in need of humanitarian aid.
13 April 2016
WHO scales up malaria response in Yemen
WHO’s Regional Director for the Eastern Mediterranean Dr Ala Alwan and Yemen’s Minister of Public Health and Population H.E. Dr Nasir Baoum met in the WHO Regional Office in Cairo recently to discuss the health situation in Yemen, focusing on the spread of malaria in the country and WHO’s scaled-up response.
6 April 2016
WHO condemns attack on Ma’arib Hospital, Yemen
WHO strongly condemns the attack on Ma’arib General Hospital in Ma’arib governorate, Yemen on 3 April, in which 4 people died, including one medical doctor, and 13 people were injured. The attack also caused damage to the intensive care unit and administration buildings of the hospital.
27 March 2016
Health situation in Yemen critical as violent conflict enters second year
Sana’a, Yemen – This week marks one year since the escalation of the conflict in Yemen, where the violence has had a devastating impact on millions of innocent civilians, causing immeasurable suffering. Since March 2015, more than 6200 people have been killed and 30 000 injured. More than 21 million people – 82% of the total population – are in need of humanitarian aid, including almost 2.5 million people who have been internally displaced. More than one third of people in need live in inaccessible or hard-to-reach areas.
18 March 2016
New shipment of health supplies arrives in Taiz City
The World Health Organization (WHO) has delivered an additional 11 tonnes of life-saving medicines and medical supplies to Taiz City, where people remain in serious need of humanitarian aid. This latest shipment includes trauma kits, interagency emergency health kits, diarrhoeal disease kits, and IV fluids. The supplies were received by Al-Thawra, Al-Jumhoori, Al-Rawdha, Al-Mudhaffar and Al-Ta'aon hospitals.
17 March 2016
WHO to provide some of the hardest hit areas of Yemen with desperately needed health supplies and services
Since April 2015, continuing violence and insecurity has led to a collapsing health system that has left more than 14 million Yemenis in need of healthcare services. Almost 25% of all health facilities have shut down due to damages, and there are critical shortages of staff and life-saving medicines.
10 March 2016
Yemen's national oncology centre struggles to continue functioning
10 March 2016 – 4-year-old Fatima Al-Harazi has waited for 2 weeks for a bed so she can start her second session of chemotherapy at the national oncology centre in Sana’a. "She cannot eat and sleep. She keeps crying bitterly from pain," said Fatima's grandmother. Fatima is suffering from a large soft tissue tumour in her left cheek and long waits for chemotherapy mean that her health is deteriorating rapidly.
10 February 2016
Following months of blocked access, WHO medical supplies reach Taiz City, Yemen
Following months of blocked access to Taiz City, Yemen, and in response to mounting emergency health needs, the World Health Organization (WHO) has successfully delivered more than 20 tonnes of life-saving medicines and medical supplies. These medical supplies are critical to meet the most urgent needs in a city where more than 200 000 people continue to live under siege with limited access to humanitarian aid.
7 January 2016
WHO calls for immediate access to Taiz City for delivery of life-saving health supplies
The World Health Organization is concerned about the deteriorating health situation in Taiz, where more than 250 000 people have been living in a state of virtual siege since November 2015. All of city's 6 hospitals have been forced to partially close some services, and are overwhelmed with injured patients. Humanitarian organizations are struggling to deliver medical and surgical supplies due to the insecurity.
7 January 2016
"I can endure financial hardship and the long hours, but when these challenges are compounded by increasing insecurity and the frightening sounds of bombs, I want to leave Yemen for the safety of my family," says Dr Mohammed Al-Kholaidi, who works at the Mental Health Department in the Yemen Ministry of Public Health and Population.
15 December 2015
Urgent support needed to provide health services for 15 million people in Yemen
GENEVA – The World Health Organization and health partners are appealing for US$ 31 million to ensure the continuity of health services for nearly 15 million people in Yemen affected by the ongoing conflict. Funding is urgently needed as the Yemeni health system has collapsed, leaving millions of vulnerable people without the care and medications they urgently need.
7 December 2015
WHO condemns attack on Al Houban clinic in Taiz, Yemen run by MSF, wounding nine people
SANA’A - WHO condemns the attack on Al Houban clinic in Taiz city run by Medicins Sans Frontiers (MSF) in which nine people were wounded, including two MSF staff.
7 December 2015
In the early hours of 3 October, rockets slammed into a Médecins Sans Frontières (MSF) hospital in Kunduz, Afghanistan, killing at least 14 health workers and injuring 37. An MSF clinic in the southern Yemen city of Taiz was bombed on 2 December, injuring 9 people, including 2 MSF staff. Since 2012, almost 60% of hospitals in Syria have been partially or completely destroyed, and more than half of the country’s health workers have fled or been killed.
2 November 2015
WHO scales up response in Yemen for cyclone Chapala
Sana'a -- The World Health Organization (WHO) and the Ministry of Public Health and Population in Yemen are intensifying efforts to respond to the serious consequences of Cyclone Chapala which is expected to hit parts of the country in the coming days.
20 October 2015
WHO responds to deteriorating health situation in Taiz, Yemen
Sana’a, Yemen – Ongoing violence and insecurity continues to limit the delivery of aid in Taiz governorate in Yemen, where more than 3.3 million people, including 300 585 internally displaced persons, are in critical need of health assistance.
WHO Bulletin: Health system in Yemen close to collapse
Yemen is facing a growing humanitarian catastrophe as health workers there risk their lives to help civilians caught up in the deadly conflict. Dale Gavlak reports
22 September 2015
WHO responds to increasing health needs in Yemen as health facilities continue to shut down
Sana’a — WHO is delivering extensive health support in response to the crisis in Yemen, providing almost 200 tonnes of critical medical supplies and more than 745 000 liters of fuel to keep health services operational amidst intensifying fighting. Yemen’s 6-month conflict has left thousands of people in need of treatment, caused extensive damage to health facilities, and fanned a dengue fever outbreak. WHO warns that the numbers of people needing health care are likely to increase. Numerous health facilities are on the verge of collapsing under the weight of the conflict.
13 September 2015
Integrated outreach activities launched in Yemen
A second round of integrated outreach activities was launched in remote and rural areas in Yemen on 12 September 2015. This round immunized around 358 681 children under the age of 1 and provided vulnerable remote communities with reproductive health and nutrition services, and treatment for common conditions, such as blood pressure and the common cold.
3 September 2015
Yemen’s national blood transfusion centre in Sana’a faces threat of closure
Yemen’s biggest blood transfusion centre faces the threat of closure due to shortage of blood bags, reagents and fuel to run the generators that support its work, endangering millions of lives. WHO is calling for additional support to prevent the centre's shut down.
31 August 2015
WHO establishes mobile nutrition clinics in Aden, Lahj and Hadramout
The World Health Organization (WHO) and Field Medical Foundation have set up mobile nutrition clinics to diagnose and treat children aged between 6 months and 5 years in Aden, Lahj and Hadramout governorates.
27 August 2015
Safe corridor needed to deliver health care to over 3 million people in Taiz, Yemen
A humanitarian corridor must be established to ensure access to health care for more than 3 million people in Yemen’s Taiz governorate, where conflict and a resulting humanitarian crisis have left thousands of people in need of treatment, caused extensive damage to health facilities, and fanned a dengue fever outbreak
23 August 2015
WHO steps up response to the critical health needs in Taiz and Hodeida
Sana’a, 23 August 2015: In response to the growing humanitarian crisis in Tiaz and Hodeida governorates, and the rising number of civilian injuries in the southern governorates of Yemen, WHO is coordinating a rapid response to provide emergency health access to the injured, internally displaced persons and host communities.
11 July 2015
Humanitarian pause in Yemen to allow scaled up health response by WHO and partners
Sana’a, Yemen – A 7-day humanitarian pause began in Yemen on 11 July 2015. This second humanitarian pause, if fully respected by all parties to the conflict, will provide desperately needed respite for millions of civilians, and enable WHO and health partners to respond to some of the most life-threatening needs. During the pause, WHO will focus its efforts on distributing life-saving health assistance to locations in most dire need in the governorates of Sana’a, Aden, Al Dhale’e, Lahj, Hajjah, Mukalla, Marib Sa’ada, Taizz.
6 July 2015
Crisis in Yemen designated "Level 3" emergency
With more than 20 million people in need of humanitarian assistance and 15.2 million people in need of basic health care, the crisis in Yemen has been designated a “Level 3” emergency by the Inter-Agency Standing Committee. Level 3 is the highest level of humanitarian emergency and increased financial, human and technical resources have been deployed for a more effective response to the needs of affected populations. Since the conflict began more than one million people have been internally displaced and nearly half of the population is food insecure.
26 June 2015
Yemen crisis: UN CERF releases urgently needed funds to WHO for life-saving medicines
The World Health Organization’s response to the crisis in Yemen has been bolstered by an injection of US$ 8,021,884 in funding from the United Nations Central Emergency Response Fund (CERF). The contribution is the largest allocation of funding from CERF to WHO to date, and will be used for the delivery of life-saving medicines for non-communicable diseases.
19 June 2015
Yemen conflict: WHO and partners striving to prevent collapse of Yemen’s health system
19 June, 2015 | Sana’a, Yemen: A major health crisis is unfolding in conflict-ravaged Yemen, where hospitals have been destroyed, health workers killed and critical shortages of food, medical supplies and fuel are causing large-scale suffering , according to the World Health Organization (WHO).
3 June 2015
Internally displaced people in Yemen face increasingly critical health risks
Amman, Jordan – Mass population movement and a failing health system have exposed internally displaced people in Yemen to increased, life-threatening health risks. More than one million internally displaced people have fled the violence to neighboring governorates. Many of them are housed in public spaces where living conditions are overcrowded and often unsanitary. Within schools, for example, some of which host upwards of hundreds of displaced Yemenis, people share a single washroom per gender.
27 May 2015
Statement on the situation in Yemen
WHO statement by WHO Director-General, Dr Margaret Chan -- The conflict in Yemen is entering its 10th week and the numbers of dead and injured continue to grow. As always in conflict, it is innocent civilians that pay the highest price. Almost 2000 people have been killed and 8000 injured so far, including hundreds of women and children.
20 May 2015
WHO health coordinator in Hodeida overcomes personal and professional challenges to help those affected by the crisis
For more than 10 years, Dr Maysoon Al-Sakkaf, WHO coordinator in Hodeida governorate, Yemen, has seen repeated incidents of conflict and worked in some of the county’s most impoverished areas. This current crisis, however, is the “most challenging” she has ever witnessed.
19 May 2015
Vaccinating children amid conflict
Vaccinating children against life-threatening diseases during conflict can be a daunting task. Over the past few weeks, vaccinators and volunteers in Yemen have persevered to ensure the continuation of immunization activities in some of the most crisis-affected areas of Yemen. Their work has been challenged by insecurity, roadblocks, fuel shortages and power outages.
18 May 2015
WHO delivers additional medicines and medical supplies to Yemen
Amman, Jordan — The World Health Organization (WHO) has scaled up its provision of medicines and medical supplies into Yemen during the current humanitarian pause. More than 20 tonnes of medicines and medical supplies have been flown from WHO’s humanitarian hub in Dubai to Djibouti, from where they will be sent to Hodeida. The shipment contains international emergency health kits, trauma kits, surgical supply kits, emergency diarrhoeal disease kits, and water, sanitation and hygiene items for more than 120 000 beneficiaries.
12 May 2015
WHO supports internally displaced persons in Aden governorate, Yemen
19 out of Yemen’s 22 governorates are now affected by violence and conflict. More than 300 000 people are estimated to have been newly displaced, while thousands of others are trapped by the fighting and unable to flee to safer areas.
27 April 2015
WHO condemns attacks on health facilities in Yemen and calls for immediate access for a scaled-up health response
Cairo, Egypt -- As the humanitarian and health situation in Yemen continues to deteriorate, WHO calls for increased access for a scaled-up health response and an end to ongoing attacks on health care workers and health facilities.
21 April 2015
WHO warns of imminent collapse of health care services in Yemen
Cairo, Egypt – WHO warns of an imminent collapse of health care services in Yemen. Health facilities are struggling to function as they face increasing shortages of life-saving medicines and vital health supplies, frequent disruptions in power supply and lack of fuel for generators. Lack of fuel has also disrupted functionality of ambulances and the delivery of health supplies across the country.
16 April 2015
WHO delivers life-saving health supplies into Yemen
The World Health Organization (WHO) has delivered critical life-saving medicines, and medical/surgical supplies to Yemen, where fighting has resulted in hundreds killed and thousands injured, and newly displaced up to 100 000 people since March. The shipment, which landed in Sana’a today, contains more than 17 tonnes of medicines and medical/surgical supplies for a total of 41,100 beneficiaries.
14 April 2015
WHO appeals for funding to address increasing health needs in Yemen
The World Health Organization is seeking US$ 25.2 million to meet humanitarian health needs in Yemen for the coming 3 months. “WHO, working in close coordination
6 April 2015
WHO deplores deaths of health care workers in Yemen
Cairo, Egypt, 6 April 2015 – WHO deplores the deaths of health care workers and damages to health facilities in Yemen as a result of the ongoing conflict, and expresses concern about the serious implications of these attacks.
6 April 2015
WHO responds to urgent health needs in Yemen
WHO is responding to increasing shortages in medicines and medical supplies in Yemen as a result of the ongoing conflict.
1 April 2015
Conflict in Yemen kills and injures hundreds, places major strain on health system
Sana’a, Yemen – An escalation in conflict and violence in Yemen has resulted in hundreds dead and thousands injured, and placed immense strain on health facilities and humanitarian health care providers.
26 March 2015
WHO and health partners respond to increased health needs as a result of conflict in Yemen
Sana’a, Yemen – WHO, together with the Ministry of Public Health and Population and health partners, is responding to increased health needs in Yemen as a result of the recent escalation in violence in Sana’a and other parts of the country.
16 February 2015
WHO responds to increasing health needs in Yemen
WHO is working with the Ministry of Public Health and Population (MoPH) and health partners in Yemen to respond to the health needs of populations affected by the ongoing conflict, as well as ensure that adequate health services are in place for populations in potential conflict areas around the country.
29 January 2015
WHO deplores attacks on health workers and health facilities in Afghanistan, Sudan and Yemen
The World Health Organization deplores the recent attacks on health staff and health facilities in Afghanistan, Sudan and Yemen, and expresses deep concern about the serious implications of these attacks on patients, medical personnel and health infrastructure.
21 January 2015
WHO responds to urgent health needs following clashes in Sana’a, Yemen
Widespread, heavy clashes between Al-Houthis and the Presidential Guard erupted near the presidential palace in Sana’a, Yemen. According to the Ministry of Public Health, the clashes resulted in 15 deaths and 91 injuries, including civilians and members of the armed forces. Al-Quds Military Hospital was targeted by heavy shelling, resulting in injuries to three guards inside the building and damages to one ambulance.
2 April 2014
WHO support to national polio immunization campaign in Yemen
Sana’a — On Tuesday the WHO country office organized a meeting with journalists to inform them about some of WHO's activities and detail its preparation and technical support to the Ministry of Public Health and Population for a national polio immunization campaign to begin on 7 April.