Hundreds quarantined in Shanghai as China nears 2 billion Covid-19 vaccine doses
- Fresh coronavirus cases emerge among fully vaccinated hospital and airport workers
- Infections show the need to guard against complacency, city’s health chief says

According to the National Health Commission, 1.94 billion jabs had been given as of Saturday. But the authority did not say how many people have completed the full two-dose regime.
Over 80 per cent of adults in Beijing and Shanghai have been fully vaccinated, meaning the population in both cities has technically reached herd immunity – the proportion of the community needed to be immunised to prevent spread of the virus.
But Shanghai has been hit by a new outbreak, with one hospital worker and five logistics employees at Shanghai Pudong International Airport confirmed as local infections as of Sunday.
Health authorities said all six patients were fully vaccinated.
The medical worker, from Shanghai Songjiang District Central Hospital, was reported on Wednesday, while the airport infections were detected on Friday and Saturday.
Health authorities have not reported a link between the two sets of cases.