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New delta subvariant: Should you worry about AY.4.2? – Deseret News
The delta variant subtype AY.4.2 continues to spread. Should you worry about AY.4.2?

A delta variant subtype continues to spread throughout the world, raising questions about how concerned people should feel about the coronavirus mutation.
- The subvariant which makes up 10% of current cases in the United Kingdom is called AY.4.2.
What is…
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