“Results: Of 64?900 employees who received their first dose of a COVID-19 vaccine... Acute allergic reactions were reported by 1365 employees overall (2.10% [95% CI, 1.99%-2.22%]), more frequently with the Moderna vaccine compared with Pfizer-BioNTech (2.20%… vs 1.95%)… Anaphylaxis was confirmed in 16 employees (0.025%)”
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