There have been human challenge studies for covid, and people did volunteer. It would have likely been possible to get volunteers for the type of study the gran

There have been human challenge studies for covid, and people did volunteer. It would have likely been possible to get volunteers for the type of study the grandparent comment describes. https://www.ox.ac.uk/news/2021-04-19-human-challenge-trial-launches-study-immune-response-covid-19 https://www.ox.ac.uk/news/2021-04-19-human-challenge-trial-l...