Volume 17, Number 4—April 2011
Dispatch
Animal Movement and Establishment of Vaccinia Virus Cantagalo Strain in Amazon Biome, Brazil
Table 1
Results of testing PCR analysis and investigation of sick animals during outbreaks of vaccinia virus Cantagalo strain infection in the Amazon biome, Brazil, 2008–2010
Farm locations |
No. farms tested/total no. farms* |
No. sick animals/total no. animals | Cohort† |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Age <12 mo |
Age 13–23 mo |
Age >24 mo |
Total |
|||||||||
F |
M |
F |
M |
F |
M |
|||||||
Mato Grosso | 12/21 | 26/535 | 28/491 | 0/579 | 0/412 | 277/1,611 | 0/510 | 331/4,138 | 331/2,637 (12.55) | |||
Rondônia | 11/35 | 117/1,287 | 95/1,823 | 0/1006 | 0/892 | 688/4,660 | 0/893 | 900/10,561 | 900/7,770 (11.58) | |||
Total | 23/56 | 143/1,822 | 123/2,314 | 0/1,585 | 0/1,304 | 965/6,271 | 0/1,403 | 1,231/14,699 | 1,231/10,407 (11.83) |
*Of the 56 affected farms, 23 had samples collected for PCR analysis. All farms tested had positive results for vaccinia virus Cantagalo strain.
†No. sick animals/total no. animals (%). Cohort consisted of female cattle >24 mo of age (considered lactating cows) and all calves <12 mo of age.