Some bacteria figured out how to stay away from penicillin, and it went around sort of creating its little DNA information with other bacteria, and now we have a lot of bacteria that are resistant to penicillin, because bacteria communicate.
Algunas bacterias encontraron la forma de evitar la penicilina y se las apañaron para crear su pequeño ADN con otras bacterias y ahora hay muchas resistentes a la penicilina porque las bacterias se comunican.