The World Health Organization (WHO) has encouraged people everywhere to continue wearing masks to protect themselves from COVID-19 infection. The world body has advised that masks be worn in crowded rooms or places where ventilation is poor. Dr. Maria Van Kerkhove, the WHO's lead on COVID-19, explained that coronavirus transmission is dependent on factors such as distance between people, setting, ventilation, time spent in the particular location, and mitigation measures that are in place. 'There's a number of other factors that are important as well, but masks are one of the measures that we recommend when you are indoors when
