Because we have brain-dead leaders, we have to figure out stuff for ourselves.
So, here is a link to an interesting article about possibilities to explain why this virus seems to be reappearing in patients who have been cleared and released:
https://www.nytimes.com/reuters/2020/02/28/world/asia/28reuters-china-health-reinfection-explainer.html
They are talking about the possibility of the virus being "biphasic," meaning it lies dormant before causing new symptoms.
They also refer to the virus as SARS-CoV-2. A little detail of interest to me.