07-08-2021, 12:39 PM
Vaccination may not fully stop transmission of Delta variant, early analysis suggests
07-08-2021, 12:42 PM
When virus is spreading like fire , can you contain it than when it is spreading slowly?
Many issues is own own wrongdoings .
Many issues is own own wrongdoings .
07-08-2021, 01:16 PM
全球「部落主義」政治文化盛行 加速推進新冠病毒的變異?【Yahoo TV#風向龍鳳配】
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