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.

By Dani Blum This flu season has been particularly brutal, and it isn’t showing signs of letting up. Since October, there have been at least 24 million cases in the United States. The Centers ...

By Knvul Sheikh Each fall and winter, the flu emerges as a formidable force, spreading through the droplets produced when people cough, sneeze or talk, and sometimes hitching a ride to our noses ...

Scientists Design Workaround That Improves Response to Flu Vaccine Dec. 19, 2024 — Stitching together four molecules found in the standard flu vaccine ensures an immune response to all of them ...

Not all types of flu are the same. Some types of flu can make you very ill, while others cause milder symptoms. Read on to learn about the different types of flu. Flu, or influenza, is a ...

For a second time this season, the flu is surging, with at least 41 states reporting high or very high levels of the virus. Dr. Rabia de Latour, a gastroenterologist at NYU Langone Health ...

One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like symptoms. Last week, that number was clearly higher than the peak of any winter flu season since 2009 ...

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Cases of the flu viruses continue to surge across the U.S. and California, placing a strain on healthcare systems and causing tens of millions of illnesses and thousands of deaths each year.