VaccinesOxford Vaccine Team Chases Coronavirus to Brazil

Published 6 June 2020

Oxford University’s potential Covid-19 vaccine will be tested in Brazil as scientists rush to find places with high enough rates of infection to determine whether their inoculations work. Rhys Blakely and Catherine Philp write in The Times that Astrazeneca, the drugmaker partnering with the university, said that finding communities with sufficient virus transmission to prove that a vaccine offered protection was now the toughest challenge in the race to develop a jab.