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Ule COVID-19 abụọ a na-ejikarị bụ PCR (mmeghachi omume yinye polymerase) na antigen. Ọtụtụ mgbe, ule PCR na-ewe ogologo oge maka nsonaazụ, mana site na variant omicron, White kwuru, ụlọ nyocha nwere ike na-abụkarị ...
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