Where’s the herd immunity? Our research shows why Covid is still wreaking havoc | Danny Altmann

Living with the virus' is proving much harder than the early vaccine success suggested: this fight is far from over

• Danny Altmann is a professor of immunology at Imperial College London

We are all so very tired of Covid-19, and there are many other crises to wrestle with. This pandemic has been going on since the beginning of 2020, and a state of hypervigilance can only be maintained for so long. And yet, just live with it" looks self-evidently too thin a recipe and, currently, not very workable or successful with the emergence of BA.4 and BA.5 Omicron subvariants.

According to the latest numbers, released today, the UK added more than half a million new Covid infections in the past week, and the estimated number of people with Covid in total was somewhere between 3% and 4% of the population.

Danny Altmann is a professor of immunology at Imperial College London