Questions swirl about the effectiveness of the AstraZeneca COVID-19 vaccine

Published: Feb. 8, 2021, 11:49 a.m.

From the BBC World Service: Investors are assessing the implications of South Africa’s decision to suspend its rollout of the drugmaker’s coronavirus shot. What does that mean for global supply? Also, Cuba’s opening up its economy to private businesses. And, the U.N.’s climate action envoy calls for more green investments.