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Re-positive COVID-19 case reported

(To watch the full press briefing with sign language interpretation, click here.)   The Centre for Health Protection today said it is investigating two additional imported COVID-19 cases and a preliminary positive local case which is likely to be a re-positive one.   The centre's Communicable Disease Branch Head Dr Chuang Shuk-kwan told a press briefing this afternoon that the preliminary positive local case involves a 43-year-old man who has not been vaccinated against the virus yet.   He worked at construction sites at 248 Queen's Road East and Shiu Kin Lane in Wan Chai, and last worked on August 3.   The patient has tested negative under the regular testing requirement since May. His deep throat saliva sample submitted via regular testing on August 2 preliminarily tested positive with a Ct value of 36 to 38, which indicates a low viral load.   After admission to hospital on August 3, the patient tested positive for COVID-19 antibodies.   Dr Chuang said: “There ma

COVID-19 mutant strain case probed

(To watch the full press briefing with sign language interpretation, click here.)   The Centre for Health Protection today said it has so far quarantined more than 300 people who have been identified as close contacts, as it follows up on a foreign domestic helper infected with COVID-19 mutant strains.   At a press briefing this afternoon, the centre’s Controller Dr Ronald Lam noted that the N501Y and E484K mutant strains were involved in this case.   “For the COVID-19 case involving a 39-year-old foreign domestic helper, she had onset of symptoms on April 23. So if we count back the average incubation period, that is 14 days prior to the onset of symptoms, she mainly stayed at home to take care of a 10-month-old baby.   “During this incubation period, she mainly visited a supermarket and a market as well as went to a park with two friends. The two friends are regarded as close contacts and we have put them under quarantine.   “She also went to St Thomas the Apostle Church where she performed in a choir with an audience of over 200. Out of the 200 audience members, we have identified 89 close contacts, all of whom have been put under quarantine.    “The 10-month-old baby she took care of is also confirmed COVID-19 positive with the same mutant strain as her case.”   The baby’s parents have tested negative for the virus, Dr Lam added.
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