WHO Says AstraZeneca Vaccine's Benefits Outweigh Risks

Several European countries like Germany and Italy have temporarily suspended the rollout of the AstraZeneca vaccines over concerns that dozens of recipients of the shot have developed blood clots. So how concerning is this in the big picture? And how might it impact the public's trust in COVID-19 vaccines? For some insight, we speak with Benjamin Cowling, Professor of Infectious Disease Epidemiology at the University of Hong Kong.

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