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) – An outbreak of Rift Valley fever that began in South Africa in February has expanded to five of the country's nine provinces, with 63 human cases and 2 deaths in three provinces, according to national and international health agencies.