#7. RotaTeq for Rotavirus – Three oral doses of this Merck-made horror story cost about $200 and are mandated for about four million infants every year. Rotavirus vaccine contains 5 live strains, plus some fetal bovine serum and porcine circovirus –a volatile and dangerous virus that infects pigs. Side effects of RotaTeq? Difficulty breathing, vomiting and ear infection, followed by bloody stool. Then the intestines get blocked and twisted (known as intussusception) which can be deadly and requires surgery on infant’s intestines. Be sure and call your doctor right away if your child dies from RotaTeq.