Coronavirus: Delta variant may still make vaccinated Hongkongers highly infectious, but shots can reduce severity of illness, experts say

A young Hongkonger who returned from the United States caused a stir earlier this month when he not only tested positive for Covid-19, but was also found to be highly infectious.What made the case unusual was that the 27-year-old man was fully vaccinated in Hong Kong before his two-week trip to the US.But medical experts insist there is no cause for alarm, with Professor David Hui Shu-cheong of Chinese University saying it was thanks to Hong Kong’s tough quarantine and contact-tracing regime…

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