A new study finds that vaccination cuts the risk of dying or being hospitalized with Covid-19 by over 90 percent.
The effectiveness was similar for the Pfizer/BioNTech, Moderna and Oxford/AstraZeneca vaccines, and did not diminish during the five-month period of the study.


?Political Trivia
Eight moments in political history. Put them on a timeline.
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Five senators. Three bills. Can you guess how they all voted?
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Nine Justices. One case. How did they rule?
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Do you have your finger on the pulse of America?
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Four questions a day.
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A new game every day.