The effect of the BioNTech vaccine on children aged 5-11 is low

The effect of the BioNTech vaccine on children aged 5-11 is low
Studies have revealed that the Pfizer/BioNTech vaccine used against Covid-19 is less effective in children between the ages of five and eleven than in adolescents and adults.

According to a study conducted in New York, the reason why the Pfizer/BioNTech vaccine is less effective in children in certain age groups is related to the lower dose administered to them.

Other than that, there are those who think that mRNA vaccines are ineffective against the Omicron variant.