January 24, 2021

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Hong Kong researchers file first documented coronavirus COVID-19 re-infection | World Information

Hong Kong researchers record first documented coronavirus COVID-19 re-infection

A Hong Kong man who recovered from COVID-19 was contaminated once more four-and-a-half months later within the first documented occasion of human re-infection, researchers on the College of Hong Kong stated on Monday.

The findings point out the illness, which has killed greater than 8,00,000 folks worldwide, will proceed to unfold amongst the worldwide inhabitants regardless of herd immunity, they stated.

The 33-year-old male was cleared of COVID-19 and discharged from a hospital in April, however examined constructive once more after coming back from Spain through Britain on August 15.

The affected person had seemed to be beforehand wholesome, researchers stated within the paper, which was accepted by the worldwide medical journal Medical Infectious Ailments.

He was discovered to have contracted a distinct coronavirus pressure from the one he had beforehand contracted and remained asymptomatic for the second an infection.

“The discovering doesn’t imply taking vaccines might be ineffective,” Dr. Kai-Wang To, one of many main authors of the paper, advised Reuters.

“Immunity induced by vaccination may be completely different from these induced by pure an infection,” To stated. “[We] might want to await the outcomes of the vaccine trials to see if how efficient vaccines are.”

World Well being Group (WHO) epidemiologist Maria Van Kerkhove stated on Monday that there was no want to leap to any conclusions in response to the Hong Kong case.

Situations of individuals discharged from hospitals and testing constructive once more for COVID-19 an infection have been reported in mainland China. Nonetheless, in these instances it was not clear whether or not they had contracted the virus once more after full restoration – as occurred to the Hong Kong affected person – or nonetheless had the virus of their physique from the preliminary an infection.

The preliminary variety of sufferers in China who examined constructive once more as soon as being discharged from hospital was 5%-15%, Wang Guiqiang, an infectious illness specialist in China`s professional group for COVID-19 therapy, stated throughout a press briefing in Could.

One clarification was that the virus nonetheless existed within the lungs of sufferers however was not detected in samples taken from higher elements of the respiratory tract, he stated. Different attainable causes had been low sensitivity of exams and weak immunity that would result in persistent constructive outcomes, he added.

Jeffrey Barrett, an professional and advisor with the COVID-19 Genome Challenge at Britain`s Wellcome Sanger Institute, stated in emailed feedback to Reuters that it was very exhausting to make any sturdy inference from a single statement.

“Given the variety of world infections up to now, seeing one case of re-infection is just not that shocking even when it’s a very uncommon incidence,” he stated.

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