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anaphylaxis risk

The risk of anaphylaxis after COVID-19 vaccination.

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Feb 6, 2026

What is the incidence and time course of serious adverse events (e.g., myocarditis, anaphylaxis) after boosters compared with the primary series?

Across multiple and international surveillance systems, serious adverse events (SAEs) after are uncommon and, for the two main SAEs of interest—/pericarditis and —generally occur at rates similar to o...

Jan 14, 2026

What regulatory actions or safety advisories have been issued regarding gelatin-based plasma expanders and over-the-counter gelatin supplements?

Regulators have treated gelatin differently depending on its use: as an intravenous plasma expander it is subject to rigorous pre‑market approval and periodic safety reassessments by medical regulator...