- Vaccinations start without rush in Australia, parts of Asia AP News just in The Associated Press
- The latest on the coronavirus pandemic and vaccines: Live updates CNN
- Tuesday, February 23, 2021 Kaiser Health News
- The Covid-19 vaccines reduce transmission. Here’s the evidence. Vox.com
- Vaccine makers Pfizer and Moderna pledge massive boost to U.S. supply after sluggish rollout The Washington Post
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