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AstraZeneca Covid-19 vaccine effective against the UK variant in trial

S&P 500 on track for the best week since early November

The shortage of vaccines provokes struggles over who should get the first shots

Why is the Covid-19 vaccine more scarce than the flu vaccine?

Why is the Covid-19 vaccine more scarce than the flu vaccine?

Two facial masks? N95? Protect yourself against new variants of Covid-19 with these mask upgrades

Canada extends ban on cruises for one year until February 2022

Canada extends ban on cruises for one year until February 2022

Scientists are trying a new question about the Covid-19 vaccine: mixing different doses

Biden signs the opening to send $ 1,400 stimulus checks to a smaller group