A man is vaccinated against COVID-19 at a clinic in Johannesburg, South Africa. The omicron variant appears to be driving a surge in South Africa. New studies suggest that vaccines might not be as effective against this variant but that a booster shot can be helpful. Shiraaz Mohamed/AP hide caption
A man is vaccinated against COVID-19 at a clinic in Johannesburg, South Africa. The omicron variant appears to be driving a surge in South Africa. New studies suggest that vaccines might not be as effective against this variant but that a booster shot can be helpful. Shiraaz Mohamed/AP hide caption
Starbucks workers and organizers in Buffalo, N.Y., discuss efforts to unionize three local stores on Oct. 28. Carolyn Thompson/AP hide caption
The Supreme Court heard arguments in a challenge from parents in Maine who want to use a state tuition program to send their children to religious schools. J. Scott Applewhite/AP hide caption
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