Summer time relative humidity has increased by 5-10 per cent this decade leading to excessive heat stress in Hyderabad and other metros. This increase is nullifying the drop in night temperatures in Hydeabad and Delhi too, a study by the Centre for Science and Environment says.
Respiratory infections such as the SARS-CoV-2 virus spreads primarily by respiratory droplets (size > 10μm) of saliva or discharge from the nose of an infected person during coughing or sneezing.
