Previous tonsillectomy and current pregnancy as they affect risk of poliomyelitis attack.
D000818:Animals; D001522:Behavior, Animal; D006801:Humans; D014066:Palatine Tonsil / Q000601:surgery*; D011051:Poliomyelitis / Q000209:etiology*; D011247:Pregnancy; D011248:Pregnancy Complications; D012306:Risk; D012919:Social Behavior; D014068:Tonsillectomy
POLIOMYELITIS/etiology and pathogenesis; PREGNANCY/complications; TONSILS/surgery