AstraZeneca lowers efficacy claim for COVID-19 vaccine, a bit, after board's rebuke
http://www.sciencemag.org/news/2021/03/astrazeneca-lowers-efficacy-claim-covid-19-vaccine-bit-after-boards-rebuke
Artist illustration of adenovirus used in a COVID-19 vaccine from AstraZeneca and University of Oxford
Science’s COVID-19 reporting is supported by the Heising-Simons Foundation.