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Hong Kong-Singapore travel bubble: will Sinovac’s efficacy against Delta coronavirus variant be the next stumbling block?

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 efficacy against the Delta variant.Hong Kong, where about 688,000…

Read the original article at South China Morning Post

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