Hong Kong Records Two Cases of New Coronavirus Variant Identified in South Africa

Pedestrians wearing face masks in Hong Kong. (Credit…Jerome Favre/EPA, via Shutterstock)

The Hong Kong government said on Thursday that it had detected two cases of a new variant identified in South Africa, which scientists have warned shows a “big jump in evolution” and could limit the effectiveness of vaccines.

The infections were detected in a man who had returned to Hong Kong from South Africa this month, and later in another man staying across the hall in the same quarantine hotel. (Hong Kong requires almost all overseas arrivals to quarantine in hotels for two to three weeks.) The virus’s genetic sequence was identical in both men, suggesting airborne transmission, according to the city’s Center for Health Protection. Both men were vaccinated.

Further sequencing by the University of Hong Kong confirmed that the viruses belonged to the new variant from South Africa, officials said, though they acknowledged that information about the variant’s public health impact was “lacking at the moment.”

Some Hong Kong experts have questioned the length and efficacy of Hong Kong’s quarantines, noting that officials have recorded several cases of residents in quarantine hotels apparently infecting people who were staying in other rooms.

In the case of the latest variant infections, the government has blamed the first man for not wearing a surgical mask when opening his hotel room door, as well as “unsatisfactory air flow” in the hotel. As of Friday afternoon there had been no reports of infections in nearby rooms.

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SOURCE: The New York Times, Vivian Wang

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