Chinese coronavirus vaccine shows 50% efficacy in Brazil
More infectious COVID-19 variant now seen in nine states
12 January 2021Pregnant or postpartum Black women are 45% more likely to die in the hospital and are at higher risk for heart problems
12 January 2021Chinese coronavirus vaccine shows 50% efficacy in Brazil
The Chinese-developed Coronavac COVID-19 vaccine has demonstrated a 50 percent efficacy following tests in Brazil, the organization in charge of its production in the South American country said on Tuesday.
