In Nicaragua, which in 2006 became the first developing country to introduce a rotavirus vaccine, severe rotavirus infections were reduced by 40 percent and emergency room visits by a half.
En Nicaragua, que en 2006 se converteu no primeiro país en vías de desenvolvemento en introducir vacina do rotavirus, as infeccións graves por rotavirus reducíronse nun 40% e o ingreso en coidados intensivos á metade.