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3 days ago · Headache. Runny or stuffy nose. Shortness of breath. Sore throat. Tiredness. Some people with COVID-19 also develop other symptoms not associated with the flu. They include: A bluish tint to skin, lips and/or fingernails.
4 days ago · The first SARS popped up at the end of 2002 but was largely contained. No cases have been detected in about a decade. For many people, SARS-CoV-2 is cleared by the immune system within a couple of weeks and symptoms, which are often respiratory, subside.
5 days ago · No fever, no cough, no body aches, no fatigue. Nothing. Your body’s actively battling a disease — and in some cases spreading it — without you even realizing you’re unwell. It’s called being an “asymptomatic carrier.” Asymptomatic carriage isn’t something that happens with all diseases, but it does happen with COVID-19.
1 day ago · COVID-19, highly contagious respiratory illness, the cause of the COVID-19 pandemic. COVID-19 is caused by the coronavirus known as SARS-CoV-2. There is no cure for COVID-19, but individuals can be protected against severe illness through vaccination. Learn about the symptoms, treatment, and prevention of COVID-19.
- The Editors of Encyclopaedia Britannica
5 days ago · The risks of respiratory complications during infection were higher in patients with moderate or severe COVID-19 symptoms (HR, 39.54). Both the wild-type SARS-CoV-2 strain and the Delta variant were linked to a higher risk of acute respiratory complications (wild-type HR, 9.21; Delta HR, 7.44).
3 days ago · SARS, highly contagious respiratory illness characterized by a persistent fever, headache, and bodily discomfort, followed by a dry cough that may progress to great difficulty in breathing. SARS appeared in November 2002 in Guangdong province , China , where it was first diagnosed as an atypical pneumonia.
2 days ago · SARS-related coronavirus is a member of the genus Betacoronavirus (group 2) and monotypic of the subgenus Sarbecovirus (subgroup B). [13] Sarbecoviruses, unlike embecoviruses or alphacoronaviruses, have only one papain-like proteinase (PLpro) instead of two in the open reading frame ORF1ab. [14] SARSr-CoV was determined to be an early split-off ...
