Still not known if warmer weather slows coronavirus spread

Study shows limitations in data, including that weather could be impacting on number of tests being carried out

A worker measures the temperature of a man before allowing him to enter La Vega market to curb the spread of Covid-19 in Santiago, Chile. Picture: Esteban Felix/AP Photo

It is currently impossible to know whether more people contract coronavirus in hot or cold weather, researchers say.

The arrival of summer in the Northern hemisphere has drawn attention to the question of whether warmer weather might slow the spread of Covid-19.