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Ubungqina obuninzi bubonisa ukuba i-COVID-19 ijikeleza ngaphandle kwe-China ngaphambi kokuba bekukholelwa ngaphambili
I-BEIJING-Isebe lezempilo lase-Espirito Santo, eBrazil, libhengeze ngoLwesibini ukuba ubukho be-IgG antibodies, ngokukodwa kwintsholongwane ye-SARS-CoV-2, bufunyenwe kwiisampulu ze-serum ukusuka ngoDisemba ka-2019. yaqokelelwa phakathi kweD...Funda ngokugqithisileyo
