Three highly pathogenic avian flu viruses that have infected poultry and wild birds in the U.S. Midwest appear unlikely to present a significant risk to humans.
The recent outbreaks of whooping cough in the United States may be due, in part, to a change made two decades ago to vaccine ingredients, a new study finds.
The world's first malaria vaccine, made by GlaxoSmithKline, could be approved by international regulators for use in Africa from October after final trial data showed it offered partial protection...
Opponents of a proposal that would require California schoolchildren to be vaccinated vowed to continue their fight after a Senate committee overwhelmingly approved the bill Wednesday.
Niger has shut all schools in the region around the capital Niamey and launched a campaign to vaccinate children aged 2 to 15 in an effort to halt a meningitis outbreak that has killed at least 85...
The measles, mumps and rubella (MMR) vaccine is not linked to development of autism spectrum disorders, even among children considered to be at risk, a large new study finds.
GlaxoSmithKline is recalling a popular four-in-one flu vaccine distributed throughout the U.S. because its effectiveness can decline over time.
California health authorities on Friday declared an end to a large measles outbreak that started at Disneyland and triggered a national debate about vaccinations.