Thursday, May 13, 2021
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What is the new Covid strain: Mutant Covid-19, and what does that mean for us?

Viruses mutate all the time. Most of the new variants die out. Sometimes they spread without altering the virus’s behavior. Very occasionally, they trigger...

Geopolitics, Global race to buy coronavirus vaccine: what you must need to know

Nations worldwide are pledging billions to buy COVID-19 vaccines even before they have proven to be successful. We explain how advance-purchase deals work and...
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