Northwell Health employee Yves Duroseau, MD, chair of emergency medicine at Lenox Hill Hospital volunteers to be the second person to receive the Covid-19 vaccination at Long Island Jewish Medical Center in Queens, New York. Photograph: Timothy A Clary/AFP Getty Images

The head of the Food and Drug Administration (FDA) has said his agency will move to quickly authorise a second Covid-19 vaccine for the US to fight th(...)

 Jennifer Brea  in “Unrest”: She developed ME  following a fever that left her bedbound while studying for her PhD at Harvard. Photograph: Jason Frank

It is disconcerting being at a public event with a group of people, most of whom are suffering from an illness that they feel is misunderstood, and of(...)