Scientists say Hong Kong man obtained coronavirus a second time

Hong Kong, August 25 

University of Hong Kong scientists declare to have the primary proof of somebody being reinfected with the virus that causes COVID-19.

Genetic checks revealed {that a} 33-year-old man returning to Hong Kong from a visit to Spain in mid-August had a special pressure of the coronavirus than the one he’d beforehand been contaminated with in March, mentioned Dr Kelvin Kai-Wang To, the microbiologist who led the work.

The man had gentle signs the primary time and none the second time; his more moderen an infection was detected by means of screening and testing on the Hong Kong airport.

“It shows that some people do not have lifelong immunity” to the virus in the event that they’ve already had it, To mentioned. “We don’t know how many people can get reinfected. There are probably more out there.”  The paper has been accepted by the journal Clinical Infectious Diseases however not but printed, and a few unbiased specialists urged warning till full outcomes can be found.

Whether individuals who have had COVID-19 are proof against new infections and for the way lengthy are key questions which have implications for vaccine improvement and choices about returning to work, faculty and social actions.

Even if somebody could be contaminated a second time, it is not recognized if they’ve some safety in opposition to severe sickness, as a result of the immune system typically remembers find out how to make antibodies in opposition to a virus it is seen earlier than.

It’s not clear how completely different a virus must be to set off sickness, however the brand new work means that “COVID patients should not be complacent about prevention measures” and may proceed social distancing, carrying masks and different methods to cut back an infection, To mentioned.

Two specialists with no function within the work agreed.

“We’ve always known reinfection was a possibility and I think this is highly suggestive” that it occurred on this case, mentioned Dr Jesse Goodman, a former U.S. Food and Drug Administration chief scientist now at Georgetown University. –AP

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