Volume 9, Number 11—November 2003
Research
West Nile Virus Infection in Nonhuman Primate Breeding Colony, Concurrent with Human Epidemic, Southern Louisiana
Table 1
Prevalence of West Nile virus hemagglutination inhibition (HI) antibodies by age group among captive rhesus macaques in the breeding colony at the Tulane National Primate Research Center by age group, August–November 2002
Age group (y) | No. tested | No. positive | % positive |
---|---|---|---|
0 to <1 | 8 | 1 | 12.50 |
1 to <2 | 293 | 96 | 32.76 |
2 to <4 | 349 | 141 | 40.40 |
4 to <6 | 61 | 43 | 70.49 |
6 to <8 | 3 | 1 | 33.33 |
8 to <10 | 7 | 3 | 42.86 |
10 to <12 | 2 | 1 | 50.00 |
12 to <14 | 2 | 0 | 0.00 |
>14 |
1 |
0 |
0.00 |
Total | 726 | 286 | 39.39 |