U.S. FDA grants full approval to Pfizer COVID vaccine for ages 12-15 The U.S. Food and Drug Administration said on Friday it has granted full approval to Pfizer and BioNTech's COVID-19 vaccine for adolescents aged between 12 and 15 years. Reuters Reuters

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Got COVID? Doctors warn powering through it — even from home — can worsen health toll

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As vaccines and new treatments have eased some of the alarm around a COVID-19 diagnosis, continuing to work — but from home — has become a familiar practice among professionals who can do their jobs remotely. ...

Physicians caution, however, that rest is an important part of weathering a COVID-19 infection. Plugging away from home is better than putting others at risk of getting infected, but it can still strain the immune system, worsening the toll of a COVID infection, experts say.

“Sleep equals immunity,” said Dr. Susan Cheng, a cardiologist, researcher and professor in the Smidt Heart Institute at Cedars-Sinai Medical Center. As it fights off the virus, “you want to have your immune system not distracted by anything else,” including stress from work.

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Is Covid-19 surging again? Our expert explains how to prepare The much-awaited summer lull in coronavirus cases doesn't appear to be happening. CNN Medical Analyst Dr. Leana Wen offers her insights about what precautions to take as infections continue to increase in much of the United States. Katia Hetter, CNN CNN

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