“…Rumors about alleged long-term consequences, such as sterility, allergies, or mental health problems, have slowed vaccination campaigns for polio and measles. 4,[22][23][24][25][26] Most of the rumors associated with vaccines are unfounded despite some few exceptions (e.g., RotaShield; Wyeth, New York, NY, was licensed in 1998. When intussusception developed in some infants, the vaccine was withdrawn from the market shortly after its release).…”