U.K. to Roll Out Free Tests to Track Covid-19 Antibody Response

https://www.bloomberg.com/news/articles/2021-08-21/u-k-to-roll-out-free-tests-to-track-covid-19-antibody-response
The U.K. will this week begin offering Covid-19 antibody testing to the general public for the first time, in order to better understand how many vaccinated and previously infected people are still catching the disease.