Health

The WHO said Tuesday that only one strain of the COVID-19 Delta variant first detected in India was now considered “of concern”, while two other strains had been downgraded.

Melbourne was ordered Wednesday to remain in lockdown for another week, as Australian authorities try to stamp out a quick-spreading coronavirus strain they described as an “absolute beast”.

Mexico announced Tuesday that a clinical review of past deaths has led officials to raise the country’s confirmed COVID-19 death toll by 4,272, to a total of 227,840.

Terry Colli and three other residents of the John Knox Village senior community got a trip via computer to the International Space Station on Tuesday, a kickoff to a Stanford

Jeannie Wells had hoped that regular visits would resume at her elderly mother’s New York nursing home once all the residents were fully vaccinated against COVID-19.

The National Institutes of Health has started a Phase 1/2 clinical trial in which adult volunteers who have been fully vaccinated against COVID-19 will receive booster doses of different COVID-19

Global land-use changes—including forest fragmentation, agricultural expansion and concentrated livestock production—are creating “hot spots” favorable for bats that carry coronaviruses and where conditions are ripe for the diseases to jump

Simulators have long been used for training surgeons and surgical teams, but traditional simulator platforms typically have a built-in limitation: they often simulate one or a limited number of conditions

Army scientists working as part of an international consortium have developed and tested an antibody-based therapy to treat Crimean-Congo hemorrhagic fever virus (CCHFV), which is carried by ticks and kills

A new study carried out in pig cells suggests previous infection with swine influenza virus (SIV) can protect against the development of porcine respiratory coronavirus (PRCoV) if there is a