Coronavirus: untraceable Delta variant case is ‘strange’, says Hong Kong health chief, as expert suggests source may have ‘slipped through cracks’ after quarantine

Hong Kong’s health minister has called an untraceable Delta coronavirus variant case uncovered the day before “strange”, while one expert has suggested the source was likely to be someone infected during quarantine who “slipped through the cracks” and made it into the community.The preliminary-positive case, reported on Sunday, involved a 23-year-old woman with a high viral load who developed symptoms on Tuesday but did not submit samples until Friday.Secretary for Food and Health Sophia Chan…


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