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MALIGNANT CATARRHAL FEVER VIRUS IN NASAL SECRETIONS OF WILDEBEEST: A PROBABLE MECHANISM FOR VIRUS TRANSMISSION
1 The Wellcome Foundation Limited, Wellcome FMDV Laboratory, Pirbright, Woking, Surrey, GU 24 ONQ, England
2 Dept. of Pathology, University of Guelph, Guelph, Ontario N1G 2W1, Canada
3 Technician, EAVRO
4 The Royal Veterinary College S-l0405 Stockholm, Sweden
5 Wildlife Veterinarian, (FAO), Wildlife Diseases Section, Veterinary Research Laboratory, P.O. Kabete, Kenya
The virus of malignant catarrhal fever (MCFV) was isolated from the nasal secretions of 6 of 66 recently captured blue wildebeest (Connochaetes taurinus). Ten MCFV isolates were made from 131 nasal swab specimens but only one isolate was obtained from 168 blood samples. All MCFV isolates from nasal secretions were from wildebeest in captivity, under the stresses of confinement, changes in nutrition, or after injections of a corticosteroid drug, betamethasone. One isolate of MCFV was made from the tonsils of a pregnant wildebeest. It is postulated that nasal shedding of MCFV may be a mechanism for transmission of virus among wildebeest and from wildebeest to cattle.
Submitted on March 29, 1974
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