Professor of respiratory medicine David Hui of Chinese University warns new outbreaks will occur every six to nine months

Hong Kong’s vulnerable groups should get vaccinated against Covid-19 infections once a year as new outbreaks will occur every six to nine months, a medical expert has urged.

David Hui Shu-cheong, a professor of respiratory medicine at the Chinese University of Hong Kong, made the appeal on Saturday while pointing out that the current wave of Covid-19 infections had been declining since late last month and could end in July or August.

“The current outbreak started in April, peaked at the end of May and is now beginning to subside,” he told a radio programme.

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