A fever, cough or loss of smell and taste are criteria for a Covid-19 test, but what if you have different symptoms? Why do we lose our sense of smell? What causes delirium? Show more
Discover 11,128,835 listings and 279,922 playable programmes from the BBC
A fever, cough or loss of smell and taste are criteria for a Covid-19 test, but what if you have different symptoms? Why do we lose our sense of smell? What causes delirium? Show more