- Studies confirm waning immunity from Pfizer's Covid-19 vaccine CNN
- Vaccine holdouts are just 1.8% of NY’s largest health provider—now they’re fired Ars Technica
- Sweden pauses use of Moderna for younger groups Reuters
- People with substance use disorders may be at higher risk for SARS-CoV-2 breakthrough infections National Institutes of Health
- Good Question: Why Are Vaccines Injected Into Our Arms? WCCO – CBS Minnesota
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