Hospitals around the world are, once again, buckling under a torrent of covid-19 patients. In places as far apart as London, Cape Town and Los Angeles ambulances wait for hours to unload the sick, and refrigerated lorries have been brought in to hold the dead. Vaccines are the only way out of this. The question is, how quickly can they turn things around?
The Economist: How fast can vaccination against covid-19 make a difference?
Michael, a 16-year-old teenager, receives a dose of the Pfizer-BioNtech COVID-19 coronavirus vaccine at Clalit Health Services, in Israel's Mediterranean coastal city of Tel Aviv on Jan. 23, 2021.
