Every infection makes someone vulnerable to a bad course of the disease and to the lingering, miserable symptoms of long COVID, Al-Aly's research shows. It's still early and there are a lot of unknowns about XBB.1.5, he said. Louis Health Care System and a clinical epidemiologist at Washington University in St. Ziyad Al-Aly, chief of research and development at the VA St. It's a good idea to do what you can to avoid getting infected, said Dr. Its growth is probably due to XBB.1.5's characteristics – it appears to bind even more tightly to receptors in the human body than its predecessors – as well as human behavior, such as traveling and not masking. The variant is likely behind the vast majority of cases in New York and New England. 7, according to data from the Centers for Disease Control and Prevention. ![]() The latest variant, called XBB.1.5, grew exponentially over the month of December, from about 1% of cases nationwide to 27% as of Jan. But the lack of universal masking means that even people like her, who do wear masks, are vulnerable. The number of severe infections and deaths remains relatively low, despite the high level of infections, she said, thanks to vaccinations – and probably – previous infections. "All the things that have protected you for the past couple of years, I don't think are going to protect you against this new crop of variants," she said. "It's crazy infectious," said Cannon, who is recovering from her first case of COVID-19, caught when she was vacationing over the holidays in her native Britain. If your child has mild symptoms such as a runny nose, sore throat or mild cough, and they feel well enough, they can go to school or childcare.The newest COVID-19 variant is so contagious that even people who've avoided it so far are getting infected and the roughly 80% of Americans who've already been infected are likely to catch it again, experts say.Įssentially, everyone in the country is at risk for infection now, even if they're super careful, up to date on vaccines, or have caught it before, said Paula Cannon, a virologist at the University of Southern California. You can go back to your normal activities when you feel better or do not have a high temperature.
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