Vaccine effectiveness against severe illness was 43% among children with underlying conditions and 53% among those without.

The Centers for Disease Control and Prevention dropped its advice that kids get an annual flu shot at a time when flu cases and hospitalizations are surging.

Medical experts debunk flu shot myths: vaccines use inactive virus that cannot cause illness. Discover what side effects actually mean for your immunity.

A fast-spreading new flu strain is gaining a reputation as a monstrous “super flu.” The mutation of influenza A(H3N2) called subclade K is driving up infections across the country, including in New ...

Nasal vaccines offer convenience and another option for those wary of needles, but traditional vaccines are best for young ...

Patients were 28% more likely to get a flu shot when they got a text message reminder and their primary care provider already ...

The AAP is recommending immunization against 18 diseases.​ Earlier this month, the CDC reduced its recommendations for ...

Flu season is in full swing in New York, and you may be trying to get a flu shot for the first time this year. How long ...

Learn more about seasonal flu, including where to get a flu vaccine and how to treat seasonal flu.

Infant protection against respiratory syncytial virus (RSV) by maternal RSV vaccination or receipt of RSV monoclonal antibody ...

A flu-related death in Kittitas County has been confirmed as flu cases continue to rise, prompting calls for preventive ...