Covid-19
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COVID-19, 2019冠状病毒病
an infectious disease caused by a type of virus called coronavirus that causes fever, tiredness, a cough, etc., and in some cases can kill, originated in China and later became a pandemic
例子
Symptoms of COVID-19 can range from mild respiratory issues to severe pneumonia and acute respiratory distress syndrome ( ARDS ).
COVID-19的症状可以从轻微的呼吸问题到严重的肺炎和急性呼吸窘迫综合征（ARDS）不等。
