3 ms·
In the Oxford trial, participants take weekly PCR swabs (https://www.bbc.com/future/article/20200721-coronavirus-vaccine-trial-what-its-like-to-participate http
by jackweirdy 6y ago
In the Oxford trial, participants take weekly PCR swabs (https://www.bbc.com/future/article/20200721-coronavirus-vaccine-trial-what-its-like-to-participate https://www.bbc.com/future/article/20200721-coronavirus-vacc...)
This was posited (but has not been confirmed) as one of the reasons it was posting lower numbers - it was catching some asymptomatic cases