![Studies are showing that approved COVID-19 vaccines are effective against coronavirus variants. Studies are showing that approved COVID-19 vaccines are effective against coronavirus variants.](/sites/default/files/styles/50_percent/public/field-images/story-banner/2021/COVID%20variants%20QnA%20banner.jpg?itok=FgMpNJB-)
The Facts About COVID-19 Variants
What is a virus variant? And why is the Delta variant especially dangerous?
Watch this video to find answers to these and other questions about coronavirus mutations:
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Video by Tong Su for UNICEF USA