South China Morning Post
A debate over the efficacy of the Sinovac vaccine is emerging between Hong Kong and Singapore, adding another layer of uncertainty to the long-awaited travel bubble between the two cities.
Professor Wallace Lau Chak Sing, convenor of Hong Kong s advisory panel on coronavirus vaccines, on Thursday defended the efficacy of the mainland China-produced jabs, a day after the city state took issue with the lack of data about their effectiveness against the Delta variant.
Hong Kong, where about 701,700 residents have taken two doses of the Sinovac jab, confirmed three imported infections on Thursday (July 8) - one each from Russia, the Philippines and Britain - marking 31 straight days without a local case. The additions took the city s overall tally to 11,948 cases with 212 related deaths.
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