The World Health Organisation recommended at a June 25 press conference that fully vaccinated people continue to wear masks and practise other safety measures. Shoppers leave Pak'nSave supermarket in Mt Albert, Auckland, after one community case of Covid-19 was discovered. Photo / NZME"What we're saying is once you've been fully vaccinated continue to play it safe because you could end up as part of a transmission chain," Dr Bruce Aylward said at that press conference. The CDC updated their guidelines on July 27 recommending that even fully vaccinated people should wear a mask in most public indoor settings. "Preliminary evidence suggests that fully vaccinated people who do become infected with the Delta variant can spread the virus to others," the CDC noted in that advice.

Source: New Zealand Herald August 17, 2021 19:14 UTC