HONG KONG : A man was infected with the coronavirus after recovering from an initial bout in April in what scientists said was the first case showing that re-infection may occur within a few months.The 33-year-old’s second SARS-CoV-2 infection was detected via airport screening on his return to Hong Kong from Europe this month.
Researchers at the University of Hong Kong used genomic sequence analysis to prove that he had been infected by two different strains.
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