Smallpox was once a common, deadly disease, that killed a third of those who contracted it. 200 years ago, it was discovered that vaccination could prevent smallpox. Learn more about the fight against smallpox in our video (turn on subtitles in your language)!
World Hepatitis Day is marked on 28 July each year to increase the awareness and understanding of viral hepatitis. The five known hepatitis viruses are types A, B, C, D and E