Krisis Coronavirus: Mekanisme pelepasan menjadi fokus setelah negatif Covid-19 palsu

Samples being collected at a centre in Ghaziabad. The first study, by Chinese medical experts in the Clinical Infectious Diseases journal, found that 14.5% of 172 patients discharged from the Shenzhen Third People’s Hospital between Jan 23 and Feb 21 tested positive again.