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Vaccine Safety Comparison

Comparison of safety profiles between mRNA and viral-vector vaccines, including Janssen, Pfizer, and Moderna, highlighting rare risks and common side effects.

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Jan 22, 2026
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What are the actual ingredients in COVID-19 vaccines according to CDC?

directs readers to each ’s fact sheet or package insert for the definitive list of ingredients and notes that those documents contain the full ingredient disclosures . Public summaries compiled by sta...