Serological evidence for widespread infection of east african cattle by parainfluenza-3 virus
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Summary
Titration of 3,701 bovine sera for haemagglutination-inhibiting antibody to parainfluenze-3 virus revealed infection rates that ranged from 65 to 90 per cent in cattle in different provinces of East Africa. Age influenced neither the occurrence nor the titre of antibody.
Keywords
Public Health Infection Rate Veterinary Medicine Serological Evidence Bovine SeronRésumé
Des titrages effectués sur 3701 sérums de bovins au moyen du test d’inhibition de l’hémagglutination avec le virus parainfluenza-3 ont montré que les taux d’infection observés chez le bétail des différentes provinces de l’Afrique orientale s’étageaient de 75 à 90 p.100.
L’âge ne semble pas influencer l’apparition des anticorps ni leur titre.
Resumen
La titulación de 3,701 sueros de vacunos por anticuerpos inhibidores de la hemaglutinación del virus de Parainfluenza-3, revelaron infecciones que variaron del 65 al 90 por ciento en el ganado, en diferentes provincias del Africa del Este. La edad de los animales no influenció ni la ocurrencia ni el título de anticuerpos.
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