The manufacturer, however, withdrew it from the market in 1999, after it was discovered that the vaccine may have contributed to an increased risk for intussusception, a type of bowel obstruction, in one of every 12,000 vaccinated infants.
Porén, o fabricante retirou a vacina do mercado en 1999, ao descubrirse que a vacina podía ter contribuído a un incremento do risco de invaxinación intestinal (intususcepción), un tipo de obstrución intestinal, en un de cada 12.000 nenos vacinados.