11 h 58 m, 16 mayo 1998 año - RotaShield Created
Descripción:
The first vaccine against Rotavirus was created, but recalled a year later due to safety concerns. Another vaccine was not created until 2006.Añadido al timeline:
fecha:
11 h 58 m, 16 mayo 1998 año
Ahora mismo
~ 27 years ago