USC researchers have found what appears to be the likely order in which COVID-19 symptoms first appear: fever, cough and muscle pain, then nausea and/or vomiting, then diarrhea.
At least 766,383 people globally have died from COVID-19 and 21,577,190 have been infected by the novel coronavirus that causes it, following an outbreak that started in Wuhan, China, in early December. The World Health Organization referred to it as a pandemic on March 11, 2020.
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