The CDC added that unlike other viruses, such as HIV and chickenpox - which can break into the nucleus of human cells and stay latent for years before reactivating - the coronavirus stays outside of the host cell's nucleus.

"This means it does not cause chronic infection or recurrence," explained Dr Oh Myoung-don, the head of the CDC committee, meaning it is unlikely for patients to relapse in this fashion.

In the future it could be possible that the coronavirus mutates and infects people who have previously overcome it, similarly to the flu.
https://news.sky.com/story/coronavirus-scientists-conclude-people-cannot-be-infected-twice-11981721

nadpis trochu zavadzajuci, v kadzom pripade dalsi mozny kusok do skladacky.