Brazil grants full approval to Oxford vaccine, orders Sputnik
Study suggests role of sleep in healing traumatic brain injuries
12 March 2021China aims to vaccinate 70-80% of population by mid-2022
13 March 2021Brazil grants full approval to Oxford vaccine, orders Sputnik
Brazil granted full regulatory approval Friday to the COVID-19 vaccine developed by Oxford University and pharmaceutical firm AstraZeneca, voicing confidence in it even as a raft of countries suspended its use.
