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Pfizer tests combined COVID 19 and flu shot Are COVID vaccines linked to ALS? We're getting this question a lot, so here's an evidence based answer from neurologists: The short answer: No. The evidence: Clinical trials with 70,000+ participants: no PFIZER BIONTECH 2025 2026 COVID 19 Vaccine 0.3 McKesson What to Know About the Pfizer BioNTech COVID 19 Vaccine COVID 19 Vaccine Basics COVID 19 CDC Pfizer vaccine may offer strong protection after first dose, Israeli study finds
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