Chris Smith: Virologist says Covid-19 vaccines will need to be regularly updated to keep up
The Mike Hosking Breakfast - A podcast by Newstalk ZB - Tuesdays
A warning that we're in a constant game of catch-up, with new variants of Covid-19. New Zealand has once again surpassed 10-thousand cases a day. The new BA.5 sub-variant is expected to cause a further surge, and the new BA.2.75 variant has been...
