As it turns out, the Pfizer vaccine is almost entirely ineffective in children ages 5-11, according to the latest batch of trial data released by the vaccine giant.

The coronavirus vaccine made by Pfizer-BioNTech is much less effective in preventing infection in children ages 5 to 11 years than in older adolescents or adults, according to a large new set of data collected by health officials in New York State — a finding that has deep ramifications for these children and their parents.

The Pfizer vaccine is the only Covid shot authorized for that age group in the United States.