EXPLAINER: How will we know we’ve reached herd immunity?
How the media may be making the COVID-19 mental health epidemic worse
17 February 2021Asthma deaths 50% more likely in poorest areas compared to richest
17 February 2021EXPLAINER: How will we know we’ve reached herd immunity?
Health officials around the world are racing to vaccinate enough people to stop the spread of COVID-19, but what qualifies as “enough” is still an open question.
