抽象的
Covid-19 and its Vaccination
Katherine Gomez
Coronavirus2019(COVID-19)isaninfectiousdiseasecaused by acute acute Respiratory Syndrome coronavirus 2(SARS-CoV-2). The first known case was identified inWuhan,China, inDecember2019.Thediseasehasspreadworldwide, leading to further epidemics.SymptomsofCOVID?19vary,butusuallyincludefever,cough,headache, fatigue, difficultybreathing,lossofsmell,andlossoftaste.
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