Masks became part of everyday life not so long ago and love them or hate them the public health messaging was all about wearing them to help prevent the spread of COVID 19.
Nowadays it's not often that masks are still used, but new research on that might change that.
An international team of researchers has undertaken the most extensive review of masks so far. Among them was our very own Professor Michael Baker, of the Department of Public Health at Otago University in Wellington.
Michael speaks to Jesse.
Photo: 123RF
