Dr Margaret Chan

Reversing a downward trend, immunization rates are at their highest ever and vaccine development worldwide is booming, according to an assessment released Oct. 21 by the World Health Organization, UNICEF and the World Bank.

CSL Limited, Australia’s leading biopharmaceutical company, has announced that it is donating 3 million doses of pandemic H1N1 2009 vaccine to the World Health Organization.

A cholera vaccine has proved to be safe and effective in young children in a part of India where the disease is endemic, a new study in The Lancet says.

PHILADELPHIA — Infectious disease experts are awaiting an infinitesimal event of momentous importance: the mutation of the H1N1 influenza virus.