World health report

Press release


The Ten Most Common Infections

  • Diarrhoeal diseases - About 4 billion episodes in 1995.
  • Tuberculosis - About 1.9 billion carry the tuberculosis bacilli; 8.9 million new cases in 1995.
  • Intestinal worms - About 1.4 billion infected at any given time.
  • Malaria - Up to 500 million new cases in 1995.
  • Hepatitis - About 350 million hepatitis B chronic carriers, and about 100 million hepatitis C chronic carriers.
  • Acute lower respiratory infections - About 395 million episodes in 1995.
  • Sexually transmitted diseases - At least 330 million new cases in 1995.
  • Measles - 42 million total cases in 1995.
  • Whooping cough - 40 million total cases in 1995.
  • Meningococcal meningitis - About 350 000 new cases in 1995.
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