What is COVID 19?Why is it different from other respiratory diseases?
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What is COVID 19?Why is it different from other respiratory diseases?
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Explanation:
what is covid 19?
it is a mild to severe respiratory illness that is caused by a coronavirus (Severe acute respiratory syndrome coronavirus 2 of the genus Betacoronavirus), is transmitted chiefly by contact with infectious material (such as respiratory droplets) or with objects or surfaces contaminated by the causative virus, and is characterized especially by fever, cough, and shortness of breath and may progress to pneumonia and respiratory failure.
Why is it different from other respiratory diseases?
because Coronaviruses can live in both humans and animals. When a coronavirus transmits from an animal species to humans, that is when a new type of coronavirus is formed, or a “novel” coronavirus. The COVID-19 novel coronavirus was transmitted to humans from an animal population, and since this is the first time human immune systems have seen this particular strain, we have not developed any immunity yet. According to the CDC, the coronavirus family of viruses includes four common strands of the virus, which often cause mild respiratory infections like the common cold, and three other human coronaviruses. These other types of human coronaviruses caused the 2003 Severe Acute Respiratory Syndrome (SARS) outbreak, the 2012 Middle East Respiratory Syndrome (MERS) outbreak, and now COVID-19, also called SARS-CoV-2.
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