COVID-19 txaus ntshai npaum li cas? Txawm hais tias rau cov neeg feem coob COVID-19 ua rau mob me xwb, nws tuaj yeem ua rau qee tus neeg mob hnyav. Tsis tshua muaj, tus kab mob tuaj yeem ua rau tuag taus. Cov neeg laus, thiab cov neeg mob uas twb muaj lawm (xws li ntshav siab, mob plawv lossis ntshav qab zib) tshwm sim ...
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