“In the suburban communities outside of New York, approximately 10 percent of the swabs submitted are positive. So, the virus is everywhere. And in New York, we know that we are in the #exponential growth phase of the epidemic.” https://www.caltech.edu/about/news/tip-iceberg-virologist-david-ho-bs-74-speaks-about-covid-19

“We suspect that in the U.S. this will rapidly sweep from the coastal regions and it will hit middle America. It is already there, but we will see exponential growth very, very soon.”

“Then of course we are all worried about what would happen when this epidemic strikes places like Africa and India where the health care system is less developed.”

@Caltech is where really smart humans go to school, learn and teach. Oligarchs can’t buy their way in and they wouldn’t make it if they did. The #kakistocracy is a killer - and I mean a real mass murderer.
https://twitter.com/lrbitisnot/status/824432264125648900?s=21 https://twitter.com/lrbitisnot/status/824432264125648900

“The incubation period from exposure to onset of symptoms is between four and six days; and if you want to cover 95–98 percent of the cases it is between three and 10 days. It's pretty rare to have an incubation period outside of that range.”

“...virus shedding, as detected in the mouth or nose, is very, very common and could be there prior to onset of symptoms. That's why transmission could occur from asymptomatic individuals. And virus shedding could continue for days up to three weeks after a person recovers.”

“That is extremely worrisome for the spread of this virus. Furthermore, the stability of this virus is worrisome as well. If you put it in aerosol form and keep it in the air, the half-life is several hours...”

“...if you drop it on surfaces of copper or cardboard, it could survive about a day. But if it's on steel or plastic surfaces, you could still detect infectious virus after 72 hours, although the infectivity decreases with time.”