Amarin Corp Plc (AMRN)

[obryanjfg]

Heres 1 snippet and there are others:

“You probably would make a good immune response before you even become symptomatic again and might really blunt the course of the disease,” Dr. Krammer said.
https://www.nytimes.com/2020/03/25/health/coronavirus-immunity-antibodies.html

It stands to reason there's some immunity for some time after exposure. Also RWE from say Wuhan would indicate after exposure its more difficult to spread like wildfire thru a population.