As omicron sweeps through the U.K., the country’s health service is trying to vaccinate as many people as possible in the hopes that booster doses will mitigate the worst effects of the current Covid-19 wave.
As omicron sweeps through the U.K., the country’s health service is trying to vaccinate as many people as possible in the hopes that booster doses will mitigate the worst effects of the current Covid-19 wave.