8 MAY 2021,

As per CDC, factors increasing coronavirus risk in air farther than six feet away from an infected person include enclosed spaces with inadequate ventilation or air handling.

सिर्फ 24 घंटे में ठीक हो सकता है FLU || Dr. Naveen Kumar ||

It also includes increased exhalation of respiratory fluids if the infectious person is engaged in physical exertion or raises voice. Prolonged exposure to these conditions (more than 15 minutes) further increases the risk.

-NAV GILL