Environmental health hazards

Environmental health hazards

Unsafe and insufficient water for drinking and washing, inadequate sanitation and hygiene, hazardous healthcare waste and climate related risks may cause work-related diseases and injuries among health workers.

Environmental health hazards

One third of health facilities do not have what is needed to clean hands where care is provided.

About 800 million people use health facilities with no toilets.

One in four health facilities have no water services

Preventive measures

Water, sanitation and hygiene

Ensure availability of safe and adequate supply of water for medical activities, drinking, personal hygiene, food preparation, laundry, and cleaning

Provide toilets for patients, staff and carers

Ensure safe disposal of health-care waste using environmentally friendly technologies


Keep laundry and surfaces in the health-care environment clean

Store and prepare food in a way that minimizes the risk of disease transmission

Design, construct, and manage buildings to provide a healthy and comfortable environment for patients, staff and carers


Protect patients, staff and carers from vector borne diseases

Encourage correct use of water, sanitation and waste facilities

Ensure adequate ventilation to prevent airborne infections



Climate-related disasters and emergencies

Determine safe staffing levels, with rostering and credential systems for ensuring operational sufficiency

Develop post-disaster employee recovery assistance programmes and ensure psychosocial support

Establish an early warning system and risk reduction plan to respond to climate-related emergencies


Ensure adequate prevention and management of heat strain and heat-related illnesses

Develop contingency plan for safe and secure evacuation following an extreme event


Put in place security measures for safe and secure evacuation of staff and patients

Train staff in protecting their health and safety during an emergency