How effective are the vaccines against the new Delta variant?
[Data ] surrounding vaccine effectiveness with the Delta variant is [so far limited].
One recent study showed the [Pfizer vaccine was 84% effective against the variant after two doses], but only 34% effective after the first dose.
Moderna also announced Tuesday that a new study showed its vaccine also produced £Ûpromising protection£Ý in a lab setting against the Delta variant and others currently circulating.
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