title: Serologic survey of equine rhinopneumonitis virus infection among horses in various countries.
mesh_terms: D000034:Abortion, Veterinary; D000818:Animals; D003168:Complement Fixation Tests; D005260:Female; D006566:Herpesviridae Infections / Q000662:veterinary*; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D009500:Neutralization Tests; D011247:Pregnancy; D011270:Pregnancy, Animal; D012141:Respiratory Tract Infections / Q000453:epidemiology