short paragraphs on covid free earth (for class 1 ) in english
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Answer: Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).[8] The disease was first identified in December 2019 in Wuhan, the capital of China's Hubei province, and has since spread globally, resulting in the ongoing 2019–20 coronavirus pandemic.[9][10] The first confirmed case of what was then an unknown coronavirus was traced back to November 2019 in Hubei province.[11] Common symptoms include fever, cough, and shortness of breath.[5] Other symptoms may include fatigue, muscle pain, diarrhoea, sore throat, loss of smell, and abdominal pain.[5][12][13] The time from exposure to onset of symptoms is typically around five days but may range from two to fourteen days.[5][14] While the majority of cases result in mild symptoms, some progress to viral pneumonia and multi-organ failure.[9][15] As of 22 April 2020, more than 2.56 million cases have been reported across 185 countries and territories,[16] resulting in more than 177,000 deaths. More than 686,000 people have recovered.
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