The new variant has been estimated to be 50% more transmissible. It's already been detected in at least 10 US states.
Exaggerating how much lockdown improved air quality could allow us to underestimate the scale of the air pollution problem.
With vaccine shortages looming, experts are debating whether it is important to receive two doses or whether it's better to give one dose to more people and give a second when the supply is better.
States and hospitals are starting to declare 'crisis standards of care' as the pandemic floods their ERs. The orders have consequences – both good and bad, as a medical ethicist explains.
Public health recommendations have always been a hard sell. Resistance to new behaviors – like the mask-wearing and social distancing advised during the COVID-19 pandemic – is part of human nature.
The vaccines' cold storage requirements and shipment rules put small, rural communities at a disadvantage, but that's only part of a long-running challenge.
The vaccines' cold storage requirements and shipment rules put small, rural communities at a disadvantage, but that's only part of a long-running challenge.
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