Data on more than 17,000 reported cases in China found that almost 81 percent of cases were mild. The severity of COVID-19 varies from mild or no symptoms to severe or sometimes fatal illness. Other less common symptoms included confusion, headache, nausea, and diarrhea. Only 11 to 40 percent had shortness of breath. In one study in the Journal of the American Medical Association, researchers found that around 70 percent of patients hospitalized with COVID-19 didn’t have a fever.Ĭough is more common, but treatment guidelines developed by Boston’s Brigham and Women’s Hospital found that cough occurs in 68 to 83 percent of people who show up at the hospital with COVID-19. While fever is at the top of the Centers for Disease Control and Prevention’s list of symptoms, not everyone who gets sick has a fever. These appear as soon as 2 days, or as long as 14 days, after exposure to the virus. Here’s what we know so far about how COVID-19, the disease the new coronavirus causes, affects the different systems in the body.Īs with other coronavirus illnesses - including SARS, MERS, and the common cold - COVID-19 is a respiratory disease, so the lungs are usually affected first.Įarly symptoms include fever, cough, and shortness of breath. There’s still a lot we don’t know about the new coronavirus that’s sickened more than 3.2 million worldwide, with more than 230,000 deaths reported.īut one thing that’s clear is that in serious cases, the virus can have a devastating effect on the body - and not just on the lungs. Visit our coronavirus hub and follow our live updates page for the most recent information on the COVID-19 pandemic. But damage can also occur in other parts of the body, especially during serious illness.Īll data and statistics are based on publicly available data at the time of publication.Early symptoms include fever, cough, and shortness of breath.Coronaviruses cause respiratory illnesses, so the lungs are usually affected first. Share on Pinterest There’s a variety of symptoms of COVID-19.
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