Outbreaks

Covid-19 vaccine developed by the US military begins testing in humans

Covid-19 vaccine developed by the US military begins testing in humans

UK simplifies lockdown as Covid-19 vaccination campaign turns the tide

The new shortage: Ketchup can’t make up for it

Delta cancels flights due to staff shortages, opens middle seats

Covid-19 cases dropped. The distribution of vaccines is increasing. How open is America?

Fourth Covid wave targets the young and restless

Covid-19 Variant Fads in Brazil, with global risk

Covid-19 Variant Fads in Brazil, with global risk

High-tech face masks are meant to step up the fight against Covid-19