The Anniversary Celebration,' which featured iconic sketches, musical performances and appearances from former cast members.

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.

The US 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 ...

But does it work right away? The answer is no. It takes about two weeks after getting the flu shot for antibodies to develop in the body and provide protection against influenza virus infection ...

The decision on which flu vaccine strains are recommended to manufacturers is normally made by the heads of seven WHO influenza collaborating centers and three key regulatory laboratories.