News & Perspective

(CIDRAP News) – Yellow fever vaccination boosters, typically given 10 years after initial immunization, are no longer necessary, the World Health Organization (WHO) said today.

(CIDRAP News) – The World Health Organization (WHO) has recommended that seasonal influenza vaccines for use in the southern hemisphere next year contain the pandemic H1N1 virus instead of a current seasonal H1N1 strain, signaling that the pandemic strain is expected to push the older H1N1 strains aside.

(CIDRAP News) – The World Health Organization (WHO) said today it will soon advise most countries to ease the volume of testing for novel H1N1 influenza and said testing related to recent oseltamivir-resistant cases has so far turned up no additional cases.