(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) – In the wake of recent killings of polio vaccinators in Pakistan, some questions are being raised about the all-out push to eradicate polio, but the World Health Organization (WHO) says the world can't afford to back off on the eradication drive now.