The World Health Organisation after previously dismissing this risk is now acknowledging the possibility that COVID-19 may be spread in the air under certain conditions. This comes after more than 200 scientists urged the agency to do so. In an open letter published this week in a journal two scientists from Australia and the US wrote that studies have shown “beyond any reasonable doubt that viruses are released during exhalation talking and coughing in microdroplets small enough to remain aloft in the air. The said researchers along with more than 200 others appealed for national and international authorities including the