Pfizer says its vaccine is 100% effective in preventing COVID-19 in adolescents

Pfizer says its vaccine is 100% effective in preventing COVID-19 in adolescents

Source: 
Beckers Hospital Review
snippet: 

Pfizer said March 31 its COVID-19 vaccine was well tolerated and 100 percent effective in preventing COVID-19 in a phase 3 clinical trial involving 2,260 adolescents ages 12 to 15.