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COVID-19 — SARS‑CoV‑2 nomli koronavirus sababli yuzaga keladigan yuqumli respirator kasallik. SARS‑CoV‑2 — bitta zanjirli ijobiy signalli RNA virus, betakoronavirus guruhi. Virus 2019 yil dekabr oyida Xitoyning Uxan shahrida aniqlangan
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