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Other symptoms are less common among people with COVID-19. Some people experience gastrointestinal symptoms such as loss of appetite, diarrhea, nausea or vomiting. [1] [65] A June 2020 systematic review reported a 8–12% prevalence of diarrhea, and 3–10% for nausea. [2] Less common symptoms include chills, coughing out blood, diarrhea, and rash.
Contrary to what some may think, getting COVID can still be a big deal and can cause serious health consequences for those who are immunocompromised, including senior adults, babies, pregnant ...
The main COVID variant in the US right now is the XEC variant—it’s currently responsible for 45 percent of COVID-19 cases in the country, according to data from the Centers for Disease Control ...
Although the common cold is usually caused by rhinoviruses, [94] in about 15% of cases the cause is a coronavirus. [95] The human coronaviruses HCoV-OC43, HCoV-HKU1, HCoV-229E, and HCoV-NL63 continually circulate in the human population in adults and children worldwide and produce the generally mild symptoms of the common cold. [88]
Because the viruses share some common characteristics, including symptoms, test results are the only way to know exactly the type of virus involved in each case.
Scanning electron micrograph of SARS virions. Severe acute respiratory syndrome (SARS) is the disease caused by SARS-CoV-1. It causes an often severe illness and is marked initially by systemic symptoms of muscle pain, headache, and fever, followed in 2–14 days by the onset of respiratory symptoms, [13] mainly cough, dyspnea, and pneumonia.
Nearly all COVID-19 cases in the United States right now are being caused by one, highly contagious variant called JN.1. The fast-spreading omicron subvariant currently accounts for over 93% of ...
There have been about 96,000 confirmed cases of infection in mainland China. [180] While the proportion of infections that result in confirmed cases or progress to diagnosable disease remains unclear, [ 181 ] one mathematical model estimated that 75,815 people were infected on 25 January 2020 in Wuhan alone, at a time when the number of ...