Moderna says its Covid-19 vaccine is up to 100% effective in teens

Company will submit data for regulatory authorisation in early June

Moderna said on Tuesday its Covid-19 vaccine was 100 per cent effective in a study of adolescents ages 12 to 17, making it the second shot behind Pfizer’s to demonstrate high efficacy in younger age groups.
 
In a news release, the company said its vaccine was between 93 per cent and 100 per cent effective in preventing symptomatic Covid in a study of teenagers, depending on whether very mild cases are included in the count. The study met its primary goal of showing that immune responses to the vaccine in 12 to 17 year-olds were as good as those