Russia's Vaccine Claims Come With Little Evidence, Incomplete Testing

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Russia's Vaccine Claims Come With Little Evidence, Incomplete Testing
Russian President Vladimir Putin touted a breakthrough with a homegrown vaccine. But experts are deeply skeptical, and the testing process isn't over.
SHOW TRANSCRIPT

Russia is planning to start "mass vaccination" against the coronavirus in October. But they're using a vaccine with little public safety evidence, and experts are deeply skeptical about the rushed process.