Ib tus neeg ua haujlwm tau teeb tsa Asmeskas chij ua ib feem ntawm Covid-19 nco txog ntawm National Mall hauv Washington, DC, thaum Lub Ib Hlis 18, 2021. Carlos Barria | Reuters Thaum Covid-19 kis thoob qhov txhia chaw nyob rau lub Peb Hlis 2020, Steph ...