Used in very low amounts, thimerosal has been used since the 1930s to prevent contamination in multidose vaccine vials, and ...

Both swine and avian influenza are strains of influenza A. Just as swine flu strains tend to infect pigs, avian flu strains ...

New CDC research suggests the H5N1 avian influenza virus that infected a Michigan dairy farmworker can be transmitted through the air. The revelation, the study's authors wrote, suggests "an ...

Senate Democrats are demanding Health Secretary Robert F. Kennedy Jr. disclose the reviews behind the cancellation of a major ...

U.S. Senate Democrats demanded on Wednesday Health Secretary Robert F. Kennedy Jr. make public the reviews on which his ...