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Articles on Flu vaccines

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Broad protection from a universal flu vaccine could replace seasonal flu shots. Flavio Coelho/Moment via Getty Images

How do you make a universal flu vaccine? A microbiologist explains the challenges, and how mRNA could offer a promising solution

Annual flu vaccines are in a constant race against a rapidly mutating virus that may one day cause the next pandemic. A one-time vaccine protecting against all variants could give humanity a leg up.
Pediatric emergency rooms in some states are at or over capacity due to the surging number of respiratory infections. GOLFX/iStock via Getty Images Plus

COVID-19, RSV and the flu are straining health care systems – two epidemiologists explain what the ‘triple threat’ means for children

Respiratory viruses are hitting young children and infants particularly hard this fall and winter season, and experts don’t yet know exactly why.
Researchers are working to develop vaccines that provide long-term immune protection from COVID-19. Marko Geber/Digital Vision via Getty Images

How long does protective immunity against COVID-19 last after infection or vaccination? Two immunologists explain

Because COVID-19 is a relatively new virus, researchers still aren’t sure exactly how long vaccines and prior infections provide protection.

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