COVID-19 Vaccines and Variants Explained

Over 50 million Americans have been fully vaccinated against COVID-19, yet even as more and more people roll up their sleeves, many questions still remain about how effective the vaccines will be against emerging COVID variants. Will the current crop of vaccines protect us against those new threats? How many people need to be vaccinated before we can achieve herd immunity? Will we need booster shots to keep new variants at bay?

In this video, Boston University public health experts Davidson Hamer and Cassandra Pierre discuss the future of the pandemic, and how the tension between vaccines vs variants will shape its trajectory.

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