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13 percent suffered serious adverse reaction after Covid jab

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Around 13 percent of people given a Covid vaccination suffered serious adverse reactions, official government figures have revealed.

The alarming figures were revealed by the UK’s Medicines and Healthcare products Regulatory Agency (MHRA), which had been testing the effectiveness of the Yellow Card system, where doctors can report side effects.

The system tracked 36,604 people who registered to participate in the study, and 30,281 received a Covid vaccination.  Of these, 15,764, or 52.1% of the vaccinated group, reported experiencing at least one adverse reaction, although it quickly passed.  But 4,134, or 13.7% of the vaccinated group, reported an event that was medically serious, requiring medical and hospital treatment.

The participants were tracked for an average of 184 days, far longer than the average drug trial.

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References
Drug Safety, 2025; 48: 1365-85
Article Topics: Covid jab
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