Two imported Covid-19 cases in HK involve a mutant strain

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Coronavirus illustration from the Centers for Disease Control and Prevention (CDC) in the United States

Health Authorities confirmed on Nov. 19 two imported cases of Covid-19 in Hong Kong involving two Filipina domestic workers.

The first confirmed case is a Filipino domestic worker who is under mandatory quarantine at Penny’s Bay Quarantine Centre in Lantau Island.

The 35-year-old Filipina arrived in Hong Kong from the Philippines via Cebu Pacific Air flight 5J272 on Nov. 15.

She received two doses of Covid-19 vaccination from CoronaVac in the Philippines on May 30 and June 27.

She was seen with the L452R mutant strain of the coronavirus.

The preliminary positive case meanwhile is also a Filipina domestic worker, who completed the mandatory quarantine in Penny’s Bay on Nov. 13 and returned to the residence of her employer at Way Man Court, 50-52 Village Road, Happy Valley.

She had another test last Nov. 18 at a community testing centre where the sample tested preliminary positive, with a low viral load, a Ct value of larger than 30, and the specimen carried the L452R mutant strain of the coronavirus.

The 31-year-old patient is asymptomatic and received one dose of Covid-19 vaccination from Janssen on July 23 in the Philippines.

Due to the presence of the mutant strain, the building where the patient resided in Hong Kong is under the “restriction-testing declaration.” The places she had visited during the incubation period will also be included in a compulsory testing notice.