P L Lithg-Pereira

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Brucellosis official eradication-campaigns data were used to study the epidemiology of the small-ruminant brucellosis infection in the province of León (northwest Spain). Data from three consecutive campaigns (1997-1999) were retrieved from flock sheets from controlled flocks and from other official statistics. In general, flock information was scarce, with(More)
A case-control study was conducted in a brucellosis low-prevalence area of NW Spain to determine factors associated with high within-flock small-ruminant brucellosis prevalence in 1998. Forty-one cases and 69 controls were selected and information from both official sources and personal interviews was retrieved for every flock. The relationship between(More)
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