immunity from vaccines

Thế Giới
March 28, 2022
COVID-19 vaccine may completely degrade over time
In the context of cases COVID-19 rising again globally, the World Health Organization (WHO) gave three factors to keep in…
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Thế Giới
March 25, 2022
Sub-variant BA.2 “spreads like a weed”, could cause a wave of epidemics in Europe and globally
In Europewhile all attention is focused on the military situation in Ukraine, it seems that interest in the epidemic COVID-19…
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