Introduction The world is anxious as COVID-19 is spreading rapidly. The pandemic has caused 1,78,769 deaths in India as of 19th April 2020 and about 1,76,624 patients are being infected each day. India has enacted emergency response procedures, such as travel bans, masks, vaccination, and lockdowns, which should have resulted in better health conditions. However, the truth is that COVID-19 cases are rising daily, healthcare facilities are overburdened, medicines and medical assets are in short supply, and the economy is at a halt.

One key reason behind this can be rudimentary knowledge of several aspects of infection-spread. Generally, viral respiratory infections spread by direct contact or by large exhaled virus-containing droplets. Transmission is also possible by the transport of small virus-laden particles by air. Such droplets are free to disperse their viral content several…