The US Department of Health and Human Services said Thursday that it aims to accomplish within four years a scientific feat ...

Additional data required by the FDA are the latest evidence of what one analyst described as a “higher bar” for vaccines.

As cases of whooping cough rise, CNN wellness expert Dr. Leana Wen explains what causes the respiratory illness, how it ...

The department will now require all new vaccines to undergo safety testing in placebo-controlled trials, meaning some people will receive the vaccine while others will get an inert substance like ...

A major change in the way HHS plans to evaluate vaccine safety is raising fears that approvals will become unnecessarily ...

A universal flu vaccine could be on the market by the end of the decade, thanks to a new $500 million vaccine program from ...

The Department of Health and Human Services says it will require new vaccines to be tested against a placebo, which could ...