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Re-infection confirmed: Hong Kong University proves you can get COVID-19 twice

Dr. Andreas Wieser, head of the laboratory, looks at a blood sample from the study in the diagnostic laboratory for the Covid-19 study of the Department of Infection and Tropical Medicine of the Ludwig-Maximilians-University Munich (LMU). Within the framework of the study entitled "Prospective Covid-19 Cohort Munich" (KoCo19), random blood samples from 3000 households in Munich are analysed to find out, among other things, how the virus has actually spread in society. (Photo by Matthias Balk/picture alliance via Getty Images)

Researchers in Hong Kong are reporting the first confirmed case of a person being reinfected with COVID-19.

They say a 33 year old man first recovered in April from the virus and after returning from Spain this month has tested positive again.

The man was asymptomatic during this second infection.

Researchers say the genetic sequencing showed the virus strains April and august were ‘clearly different’ – which is of concern because they say it suggests that immunity to the coronavirus may last only a few months in some people.

Doctors say this will also have implications for vaccines being developed for the virus.

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