PMID: 15233454Jul 6, 2004Paper

Epidemiological investigations of the 2001 foot-and-mouth disease outbreak in Argentina

The Veterinary Record
A M PerezTim E Carpenter

Abstract

A total of 2126 herds, an attack rate of 0.82 per cent, were affected during an epidemic of foot-and-mouth disease in Argentina in 2001. The spatial and temporal distribution of the epidemic was investigated using nearest-neighbour and spatial scan tests and by estimating the frequency distributions of the times to intervention, and distances and times between outbreaks. The outbreaks were clustered and associated significantly (P<0.01) with herd density; 94 per cent were located in the Pampeana region, where the cattle population is concentrated, which had an attack rate of 1.4 per cent. The clustering results suggested that the virus had spread locally between outbreaks. Most of the outbreaks were separated by one day and the maximum distance between outbreaks was almost 2000 km, indicating that the infection spread rapidly over large distances. The index outbreak was detected more than 15 days after the primary outbreak, and restrictions on the movement of cattle were probably not enforced until about one month after infection occurred. As in other major epidemics, the period between the first outbreaks and the effective application of control strategies was probably crucial in determining the progress of the epidemic.

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Citations

Jul 18, 2008·Transboundary and Emerging Diseases·C EstradaM C Turmond
Sep 13, 2008·Transboundary and Emerging Diseases·M BarasaD Ikiror
Jun 29, 2010·Preventive Veterinary Medicine·B Martínez-LópezJ M Sánchez-Vizcaíno
Oct 19, 2004·Preventive Veterinary Medicine·Andres M PerezTim E Carpenter
Sep 5, 2006·Diagnostic Microbiology and Infectious Disease·Clarissa R A DamasoNissin Moussatché
Sep 20, 2005·Preventive Veterinary Medicine·Andres M PerezTim E Carpenter
Apr 14, 2016·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Barbara BritoAndres Perez
Jul 5, 2008·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Andres M PerezMark C Thurmond
Dec 6, 2006·American Journal of Veterinary Research·Mark C Thurmond, Andrés M Perez
Apr 12, 2017·Frontiers in Veterinary Science·Preben William WillebergTariq Halasa

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