When a new virus blasts out of the animals that harbored it and into people, experts can usually say, thank goodness it’s not like measles. That virus is more contagious than any others known to science: Each case of measles causes an astronomical 12 to 18 new cases, compared to about six for polio, smallpox, and rubella. Each case of the new coronavirus is estimated to cause two to three others.

The reason the measles is so, well, viral, is that the microbe is so small and hardy that it is able to stay suspended in the air where an infected person coughed or sneezed for up to two hours, making it one of the only viruses that can exist as a true aerosol.

Now there are conflicting reports on whether the new coronavirus can. The studies suggesting that it can be aerosolized are only preliminary, and other research contradicts it, finding no

Credit: Debora Cartagena CDC

aerosolized coronavirus particles in the hospital rooms of Covid-19 patients.

Read more at STAT…