Volume 14, Number 8—August 2008
Henipavirus Infection in Fruit Bats (Pteropus giganteus), India
|Characteristic||ELISA||SNT||NiV SNT comparisons,
|No. NiV reactive/ no. tested||No. HeV reactive/ no. tested||No. NiV positive/total (%)
[median titer; range]|
|Total||26/41||5/41||20/39‡ (51) [80; 5–640]|
|Male||10/12||3/12||8/12 (67) [60; 20–640]||0.300|
|Female||16/29||2/29||12/27‡ (44) [80; 5–640]|
|Lactating||12/20||2/20||8/19‡ (42) [80;20–640]||1.00|
| Nonlactating||4/9||0/9||4/8‡ (50) [80;5–80]|
|Body condition score§|
|Poor||5/9||0/9||1/9 (11) [640; NA]||P v F: 0.005; F v G: 0.315; P v G: 0.505|
|Fair||16/24||5/24||16/23 (70) [80; 5–640]|
|Good||3/6||0/6||2/5 (40) [60; 40–80]|
*SNT, serum neutralization test; NiV, Nipah virus; HeV, Hendra virus; NA, not applicable; P, poor; F, fair; G, good.
†Fisher exact test p value significant at <0.05.
‡Two samples had insufficient plasma for SNT (both were ELISA negative); sample 1 was from a nonlactating adult female with a good body condition score (BCS) and the other was from a lactating adult with a fair BCS. A third sample, a nonlactating adult female with a good BCS had equivocal NiV/HeV SNT titers (5), which was attributed to an unspecified henipavirus and considered negative for NiV and HeV.
§Two pre-weaned pups (1 male, NiV SNT negative; 1 female, NiV SNT positive titer 80) were excluded from the BCS dataset because of their physical immaturity.
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