Covid-19 is out of control in Brazil. So why are some officials easing restrictions?
• Chinese Covid-19 vaccine efficacy is ‘not high’
• More young people hospitalized as ‘stickier,’ more infectious strain becomes dominant
by ·
• Chinese Covid-19 vaccine efficacy is ‘not high’
• More young people hospitalized as ‘stickier,’ more infectious strain becomes dominant
by · Published April 27, 2021
by Linda Brown · Published June 12, 2022 · Last modified December 2, 2024
by · Published May 20, 2021