" The Franks' holiday observances suggest that even during terrible times, they still want to celebrate life. Hanukkah brings them some joy, though they must ration their use of Hanukkah candles because supplies are scarce. "
La vacuna contra el sarampión funciona inyectando un poco del virus vivo pero debilitando el paciente. Esto hace que tu cuerpo genere anticuerpos para pelear contra el virus
