Dr. Brownfield answers the question: 'What Is A Nasal Spray Flu Vaccine?' — -- Question: What is a nasal spray flu vaccine, how does it work and what are the side effects? Answer: FluMist is a ...

Vaccines have traditionally worked by teaching the immune system to recognize a specific virus or bacterium—in effect, ...

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Last week, AstraZeneca released a vaccine in the U.S. with one very unique quality: You can give it yourself, at home. FluMist Home is an influenza vaccine that’s administered via nasal spray, which ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An experimental vaccine ...

Adults often skip their vaccine shots, thinking they are stuff for kids. But when immunity fades, vaccines work like chargers ...

DEAR DR. ROACH: My daughter was recently visiting and tested positive for COVID. Since my last COVID vaccine was eight months ago, I searched for how much protection I still had and understood the ...

Hepatitis B is a potentially fatal liver disease. It spreads through contact with bodily fluids, and certain groups including health care workers and IV drug users are at higher risk. Anyone can be ...

Influenza A H3N2 subclade K has driven flu cases across the country, with 52 counties in Florida seeing increases over the past week. While the current flu vaccine might be a "mismatch," it still ...