Do Covid tests work in the heatwave – and should you put them in the fridge?

Living through a heatwave with suspected Covid symptoms?

Surely the sweltering temperatures are enough to contend with, without having a cough, fever, scratchy throat or loss of taste on top.

But with almost 175,000 new coronavirus cases reported in the past week in the UK alone, there will be some people in Britain living through that very scenario.