Professor Gary McLean on Omicron and its variants

Israel's Jerusalem Post has reported that the new BA.4 variant out of South Africa has reached its shores, and that it causes higher mortality. U.S. experts, meanwhile, are concerned that the lack of immunity in the Chinese population because of its lockdowns are the ideal breeding ground for a dangerous new variant. Whatever way you look at it, we're not out of the woods when it comes to Covid-19. Not by a long way. New Zealander Dr Gary McLean is a professor in molecular immunology at London Metropolitan University and a researcher with Imperial College. He's an international authority on coronaviruses Professor McLean is back with us for an update on all the latest Covid-19 news and developments.