A person may still be able to get the flu shot when sick with mild illnesses, such as colds and sinus infections. However, a doctor may recommend delaying the shot if the person has severe symptoms.

Zoetis received conditional USDA approval for an avian flu vaccine. Major poultry and dairy organizations back vaccine use to control the virus. The Trump administration is rolling out a new ...

Apr. 23, 2025 — A vaccine under development has demonstrated complete protection in mice against a deadly variant of the virus that causes bird flu. The work focuses on the H5N1 variant known as ...