natural immunity
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Thế Giới
Thailand’s capital is about to enter the endemic disease stage, Japan discovered a new mutation on sub-strain BA.2 Omicron
More than 514.47 million people around the world have been infected with the SARS-CoV-2 virus. (Photo: AP) The country most…
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Thế Giới
The 4th vaccine reduces the risk of death by 78%, China has more than 1,200 new community COVID-19 cases
More than 481.8 million people worldwide have contracted the SARS-CoV-2 virus. (Photo: AP) The country most severely affected by the…
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