Effets secondaires vaccin pfizer - activities

Covid vaccine-related menstrual disorder: the cycle extended by one day, a study found

Covid-19 vaccines have caused many menstrual disorders, as shared by many women. Released this January 5, 2022, an American study acknowledges the vaccine can somewhat disturb the menstrual cycle, but effects remain harmless.

Pfizer vaccine: does the second dose cause more side effects?

Headache, fever, shivers, fatigue… More and more French are complaining about disturbing side effects after they have been given the second dose of the Pfizer – BioNTech vaccine. According to doctors, there is nothing to be worried about.

Covid vaccine: six severe allergy cases reported in France, the ANSM says

This Thursday January 14, the ANSM - the French Agency for the Safety of Health Products - said they have been reporting six cases of severe allergy to Pfizer Covid vaccine in France. This statement completes Health Minister Véran's - made on Tuesday January 12 - as he announced a case of “an adverse effect of an allergic nature” has been identified following Covid vaccine injection.

Covid: vaccines causing slight but too many adverse effects

As the first Covid vaccines have been inoculated, several adverse effects noticed in Pfizer and Moderna vaccines have been reported after injection in many patients. Slight effects, such as headaches, fatigue, fever, or rashes, detailed in clinical trial reports, but much more frequent than for other vaccines. Here is more on the matter.

Pfizer vaccine: a worrying level of adverse effects, Professor Caumes says

La Pitié-Salpêtrière hospital epidemiologic unit head Professor Eric Caumes thinks the level of Pfizer vaccine adverse effects is too high.