Covid-19 Reinfections

Researchers from the Netherlands have reported the death of a woman, aged 88 years, that has died from a reinfection of Covid-19. After her first hospitalization due to Covid-19 early in 2020 the woman had tested positive again nearly two months later and subsequently died to the sympthoms.
The woman is the first known patient to die from a reinfection of Covid-19.

A 25-year-old man, who was first tested positive for Covid-19 in mid-April, got sick again in late May after having tested negative earlier. The infection was more severe the second time, and he required oxygen support. He seems to be the first patient to be reinfected with a different strain of the virus.
The case has been reported in an online preprint which has not been peer-reviewed yet.

Individuals in Belgium and the Netherlands have been reinfected with the coronavirus, Dutch media have reported. Some experts believe it is a good sign.
A patient in the Netherlands and another in Belgium have been reinfected with the coronavirus, Dutch media reported Tuesday, following reports that scientists in Hong Kong had confirmed the first known reinfection.
Jesse Goodman, a former US Food and Drug Administration chief scientist has stated as a responses to the Hong Kong case that: "if there is a reinfection, it suggests the possibility there was residual immunity that helped protect the patient'' from getting sick again.