In a major development, the Atlanta-based Centers for Disease Control and Prevention (CDC) has revised its guidelines to acknowledge that the “main way” the novel coronavirus (SARS-CoV-2) spreads is through aerosols.
The updated guidance on September 18 says that the virus most commonly spreads through “respiratory droplets or small particles, such as those in aerosols, produced when an infected person coughs, sneezes, sings, talks, or breathes”.
The CDC elaborates saying that these “particles can be inhaled into the nose, mouth, airways, and lungs and cause infection. This is thought to be the main way the virus spreads”.
Explaining the mechanism of virus spread, the revised guidelines reiterate that the…