Volume 9, Number 11—November 2003
Research
West Nile Virus Infection in Nonhuman Primate Breeding Colony, Concurrent with Human Epidemic, Southern Louisiana
Table 5
Prevalence of West Nile virus hemagglutination inhibition (HI) antibodies among captive baboons at the Tulane National Primate Research Center by age group, August–November 2002
Age group (y) | No. tested | No. positive | % positive |
---|---|---|---|
0 to <1 | 57 | 14 | 24.56 |
1 to <2 | 60 | 23 | 38.33 |
2 to <4 | 76 | 39 | 51.32 |
4 to <6 | 47 | 33 | 70.21 |
6 to <8 | 36 | 27 | 75.00 |
8 to <10 | 25 | 17 | 68.00 |
10 to <12 | 39 | 61 | 41.03 |
12 to <14 | 29 | 19 | 65.52 |
>14 |
34 |
19 |
55.88 |
Total | 403 | 207 | 51.36 |