Mliri wa COVID-19 womwe ukupitilira ku Shijiazhuang, m'chigawo cha Hebei, utha kukhala mkati mwa mwezi umodzi, ngati posakhalitsa, katswiri wodziwika bwino wa miliri ku Shanghai adati Lolemba.Zhang Wenhong, mkulu wa dipatimenti ya matenda opatsirana pachipatala cha Huashan chogwirizana ndi Fudan University, adati ...
Werengani zambiri