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Is the AstraZeneca Vaccine Safe?
1m 36s
Doctors and scientists say there is no evidence of any link between the AstraZeneca vaccine and blood clots, while the head of the European Medicines Agency said today the benefits of the vaccine far outweigh the risk. To discuss our tendency to rush to cause-and-effect thinking, Christiane speaks with former WHO official Anthony Costello and renowned British statistician David Spiegelhalter.