Understanding the flu shot effectiveness timeline can reduce your risk of getting or spreading the flu. It takes about two weeks for the flu shot to protect you from the flu after you receive it.

Feb. 26, 2025 — Pre-existing immunity against seasonal H1N1 flu might help explain why most reported human cases of H5N1 bird flu in the U.S. have not resulted in lethal ... Backyard Poultry ...

Immunity Against Seasonal H1N1 Flu Reduces Bird Flu Severity in Ferrets, Study Suggests Feb. 26, 2025 — Pre-existing immunity against seasonal H1N1 flu might help explain why most reported human ...

IN THE FORECAST. WELL, WE ARE IN THE MIDST OF ONE OF THE WORST FLU SEASONS IN OVER A DECADE, WITH DOCTOR VISITS FOR FLU SYMPTOMS NOW AT A 15 YEAR HIGH. NATIONWIDE, MORE THAN 50,000 PEOPLE WERE ...

At least 40 states are reporting high or very high levels of the flu. A second surge of the flu is leading to school closures or a switch to remote classes in at least four states. School ...

IN THE FORECAST. WELL, WE ARE IN THE MIDST OF ONE OF THE WORST FLU SEASONS IN OVER A DECADE, WITH DOCTOR VISITS FOR FLU SYMPTOMS NOW AT A 15 YEAR HIGH. NATIONWIDE, MORE THAN 50,000 PEOPLE WERE ...

The surge in flu cases also comes amid concerns about high infection rates for other viruses including RSV, COVID-19 and the gastrointestinal bug norovirus. Still, health officials say flu cases ...

A woman in Wyoming and a farm worker in Ohio marked the latest Americans hospitalized with bird flu, as the virus continues to disrupt the poultry and cattle industries. Since the summer ...

This flu season is a "high-severity" season for all age groups. An estimated 33 million people have suffered from the flu so far this season. In Florida, like the rest of the U.S., the predominant ...

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 ...

The U.S. Department of Agriculture last week issued a conditional license for an avian flu vaccine for use in chickens, amid an outbreak ravaging poultry flocks, contributing to the sky-high price ...