Moderna says its COVID-19 vaccine is 96% effective in teens

Moderna's COVID-19 vaccine is 96% effective in teenagers 12- to 17-years-old, the drugmaker said Thursday. The company announced results of the Phase 2 trial in reporting first-quarter earnings. Its vaccine generated $1.7 billion in revenue in its fiscal first quarter.

Evidence that Moderna's vaccine is effective in teens comes as rival Pfizer is expected to receive federal authorization by early next week to use its COVID-19 vaccine in adolescents. Federal approval of one or more vaccines against the disease could enable many American middle and high school students to be...