Ever since the SARS-CoV-2 virus that causes COVID-19 was identified in China, the whole world has experienced one of the most destructive pandemics it has seen in decades. Halfway through the second year of the coronavirus pandemic, around 3.4 million people have died worldwide out of 165 million confirmed cases. Approximately 17% or 500,000 of those who died are Americans.
COVID-19 is primarily a viral respiratory disease. Infected patients may experience mild, moderate, or severe breathing problems, and the signs and symptoms may develop in 2-14 days after exposure. For this reason, patients who have known exposure to a COVID positive case should isolate themselves for 2 weeks to limit the spread of the virus.
Why is COVID-19 testing necessary?
Did you know that a large percentage of infected patients do not exhibit the symptoms of the disease? A study published in the Annals of Internal Medicine suggests that asymptomatic transmission can be one of the main reasons for the rapidly increasing number of COVID-19 cases.
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