New variant appeared
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Thế Giới
The US commemorates over 1 million people who died from COVID-19
The President of the United States ordered the flags to be flown at half-mast in memory of over 1 million…
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Thế Giới
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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