On immunity to disease caused by equine herpesvirus 1.
D000034:Abortion, Veterinary / Q000209:etiology*; D000818:Animals; D005260:Female; D006566:Herpesviridae Infections / Q000150:complications / Q000517:prevention & control / Q000662:veterinary*; D006734:Horse Diseases / Q000276:immunology* / Q000517:prevention & control; D006736:Horses; D009500:Neutralization Tests; D011247:Pregnancy