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Austria ends most lockdown restrictions for vaccinated; tens of thousands protest

C.D.C. vaccination data may overestimate first doses and underestimate boosters.

A former aide says Trump has ordered him to ignore House Democrats’ subpoena over the U.S. pandemic response.

Signs of the Omicron variant are being found in California wastewater systems.

As Vaccines Trickle into Africa, Zambia’s Challenges Highlight Other Obstacle

Covid-2019 - 2021-12-11

New York Businesses Ordered to Require Masks Indoors or Vaccine Proof

Vaccine Mandates Rekindle Fierce Debate Over Civil Liberties

Increases in COVID-19 are unrelated to levels of vaccination across 68 countries and 2947 counties in the United States

Pandemic Schooling Mode And Student Test Scores: Evidence From Us States

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