From the #HKU report: Reinfection can occur just after a few months of recovery from the first infection. #SARS_CoV_2 may persist in the global population as is the case for other common-cold associated human coronaviruses, even if patients have acquired immunity.
Since the immunity can be short lasting after natural infection, vaccination should also be considered for those once infected person. Patients with previous #Covid19 infection should also comply with control measures such as masking and #socialdistancing.
//Several implications: vaccines may not be able to provide lifelong protection against #COVID19. Furthermore, vaccine studies should alsoinclude patients who recovered from COVID19.//
Here is the press release:
Some main parts from the report, if someone wants to read it thoroughly.
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