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Your Questions About The Coronavirus Vaccine Answered

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Close-up photo of a nurse's gloved hands administering a vaccine shot.
National Cancer Institute
A new mutation of the coronavirus in the United Kingdom has people concerned about the efficacy of the coronavirus vaccine, but experts say that variant strains in these situations are normal.

Missouri just topped 400,000 coronavirus cases and a new strain of the coronavirus is being reported in the United Kingdom, but experts remain optimistic about vaccines.

The mutations in the coronavirus were to be expected and, from their perspective, the rollout is on track. The necessary minimum goal they advise is 60% herd immunity.

Steve Kraske is the host of KCUR's Up To Date. Follow him on Twitter @stevekraske.
Chris Young is an Assistant Producer for KCUR’s Up To Date. Contact him at chrisy@kcur.org.
Mackenzie Martin makes podcasts for KCUR Studios. You can find her on Twitter @_macmartin.