a chinese city of more than1 million people is under lockdown after three reported cases under the government's zero—covid strategy. as the us hits the highest number of daily infections ever recorded anywhere in the world, president biden urges people to get vaccinated. let's stay with that story now. i've been speaking to professor lawrence gostin, director of the world health organisation's center on public health and human rights. he says there may be bad news, but there's also good news. the bad news is that the omicron variant is perhaps the most contagious pathogen on the planet and one of the most contagious that we've ever seen in history of humankind. but the better news is that the cases don't reflect the same level of hospitalisations and deaths, so we are seeing more and more people hospitalised, but that's only because we've