Immunologist Zachary Rubin explains how the World Health Organization decides which strains of influenza end up in annual flu ...

In the Southern Hemisphere, the adjusted flu vaccine effectiveness rates against outpatient visits and hospitalizations were 50.4% and 49.7%. Only 21.3% of flu outpatients and 15.9% of hospitalized ...

The CDC no longer broadly recommends the Covid-19 vaccine, but US residents will still be able to get one if they want.

Deputy Health Secretary and acting CDC Director Jim O’Neill called for vaccine makers to separate the combination measles, mumps and rubella vaccine into three separate shots, alarming the scientific ...

The Centers for Disease Control and Prevention has updated its immunization schedule, removing the COVID-19 vaccine as a recommended shot. Instead, the CDC is advising “individual-based decision ...

The acting director of the U.S. Centers for Disease Control and Prevention called for vaccine makers to develop separate shots against measles, mumps and rubella to replace combination MMR vaccines, ...

The Centers for Disease Control and Prevention has dropped its blanket recommendation for Americans to receive COVID-19 vaccinations, instead leaving the decision up to individuals in consultation ...

The Centers for Disease Control and Prevention updated its guidance for the COVID-19 vaccine Monday, ending months of confusion about the vaccine. The new guidance advises people 65 and older to ...

The process of getting a Covid shot isn’t as simple as it used to be. In fact, it now comes with an extra step — the Centers for Disease Control and Prevention says you’ll need to talk with a health ...

Acting CDC Director Jim O’Neill on Monday called on vaccine manufacturers to develop separate shots for measles, mumps and rubella instead of the current vaccine, which combines the three. O’Neill ...