COVID-19 vs SARS-COV-2

Before scientists could confirm that this outbreak was indeed a new coronavirus, they called the disease COVID-19, which means COronaVIrus Disease from 2019 as it was discovered around November 2019…

What does “N95” mean for N95 masks?

It means the ability to filter bacteria up to 3 micrometers in size. But viruses are much smaller than that. There are 1000 nanometers in one micron. (http://www.kylesconverter.com/Length/Nanometers-to-Microns) Viruses are…