Volume 9, Number 11—November 2003
Research
West Nile Virus Infection in Nonhuman Primate Breeding Colony, Concurrent with Human Epidemic, Southern Louisiana
Table 4
Prevalence of West Nile virus hemagglutination inhibition (HI) antibodies among captive pigtail macaques at the Tulane National Primate Research Center by age group, August–November 2003
Age group (y) | No. tested | No. positive | % positive |
---|---|---|---|
0 to <1 | 49 | 5 | 10.20 |
1 to <2 | 72 | 12 | 16.67 |
2 to <4 | 126 | 25 | 19.84 |
4 to <6 | 94 | 24 | 25.53 |
6 to <8 | 78 | 22 | 28.21 |
8 to <10 | 93 | 14 | 15.05 |
10 to <12 | 33 | 6 | 18.18 |
12 to <14 | 6 | 2 | 33.33 |
>14 |
12 |
4 |
33.33 |
Total | 563 | 114 | 20.25 |