Staying two metres apart may not be far enough to stop outdoor coronavirus transmission, a study has suggested.

Research from the American Institute of Physics has found saliva droplets can travel more than five metres in five seconds if there a slight breeze of around 4kph (2.5mph).

Professor Dimitris Drikakis, one of the authors of the study published in the journal Physics of Fluids, said shorter adults and children could be at greater risk if they are near the trajectory of the droplets…