speech after the discovery of several cases of shingles potentially related to the inoculation of the Covid vaccine. Shingles, which is a disease linked to the reactivation of the chickenpox virus, often seen in people with weak immune defenses resulting in pustules that remain very painful for days or weeks, has been identified 112 times according to the National Agency for Drug Safety, including 86 times with the Pfizer-BioNTech vaccine. For now, the cases are few but they are still under the vigilance of the authorities because this side effect was not mentioned by the American laboratory when launching its vaccine. < / p > A single dose of Pfizer effective as effective as two ? Date Of Update: 30 April 2021, 21:58