Oxford/AstraZeneca trial data is first to suggest a vaccine prevents asymptomatic infection, which the U.K.’s leader calls an “absolutely superb” development. Source
Oxford: Vaccine could curb not only illness, but spread of COVID-19
According to copyright-related laws, copy any of our content for publication should indicate the source and link of us, such as:"source: NCOV Live Update", otherwise we have the right to hold accountable.