- a reaction at the injection site (swelling, redness)
- cough
- arthralgia, in other words, joint pain
- fever
- chills
Uncommon side effects (≥ 1/1,000 to ≤ 1/100):
- tremors
- sneezing
- oropharyngeal pain
- a rash, in other words a skin eruption
- hyperhidrosis, in other words, excessive sweating
- muscle weakness
- painful extremities
- back pain
- asthenia, in other words, general weakness
- a feeling of unease
- paresthesia
- dizziness
- diarrhea
Rare reactions (≥ 1/10,000 to ≤ 1/1,000):
- hypersensitivity
- hives
- lymphadenopathy
- hypoesthesia
- tinnitus
- vomiting
- a venous thromboembolism
Very rare side effects (≤ 1/10,000):
- thrombosis in association with thrombocytopenia
- Guillain-Barré syndrome
Side effects with an undetermined frequency:
- anaphylaxis
- capillary leak syndrome
- immune thrombocytopenia
Booster dose: what are the reported side effects?
As of January 27, 2022, more than 22 million booster doses of the Pfizer vaccine had been administered. According to the ANSM (French National Agency for Medicines and Health Products Safety), ” no specific signal has been identified in people who received a booster dose .”
What about the side effects reported after the Moderna booster dose? More than 9.6 million doses of Moderna serum booster had been administered as of January 27, 2022. Similarly, no particular adverse effects have been reported.
Covid-19 vaccines: how to report side effects?
If you experience unexpected side effects after receiving one of the Covid-19 vaccines, it is advisable to consult your doctor and report these adverse effects by contacting your local regional pharmacovigilance center or by submitting a
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