Young, healthy adults will be deliberately reinfected with COVID-19 to boost vaccine development MarketWatchOxford University to test COVID-19 immune response TRT WorldCovid-19 ‘Challenge Trial’ Will Purposely Reinfect Adults The Wall Street JournalNew UK challenge trial studies if people can catch coronavirus again Yahoo! VoicesYoung people to be reinfected with Covid for study BBC NewsView Full Coverage on Google News