Multiple labs are busy looking to see if the different mutations partly explain how the disease can be mild in some areas and so deadly in others. There's certainly evidence that different strains are circulating.
SAN FRANCISCO — The coronavirus is mutating as it spreads across the planet, with a strain that may first have appeared in Europe becoming dominant in many areas even as new ones appear. The still unanswered question is how the strains differ and whether they cause additional, and more severe, illnesses.
"Everybody talks about the SARS-CoV-2 virus as if it's one thing. It may be more of a problem," said Dr. Greg Poland, director of the Mayo Clinic's Vaccine Research Group. "It's a lot more complicated than either of these two papers suggests," he said. "Lots of labs are doing the research but they haven't yet published their findings."published MondaySo far Wu's hospital, which sees a high percentage of poor and underserved patients, has had only two deaths and about 100 people put on artificial breathing machines due to COVID-19.
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