Volume 19, Number 1—January 2013
Research
Risk Factors for Nipah Virus Infection among Pteropid Bats, Peninsular Malaysia
Sohayati A. Rahman, Latiffah Hassan
, Jonathan H. Epstein, Zaini C. Mamat, Aziz M. Yatim, Sharifah S. Hassan, Hume E. Field, Tom Hughes, Justin Westrum, M.S. Naim, Arshad S. Suri, A. Aziz Jamaluddin, Peter Daszak, and the Henipavirus Ecology Research Group
, Jonathan H. Epstein, Zaini C. Mamat, Aziz M. Yatim, Sharifah S. Hassan, Hume E. Field, Tom Hughes, Justin Westrum, M.S. Naim, Arshad S. Suri, A. Aziz Jamaluddin, Peter Daszak, and the Henipavirus Ecology Research GroupTable 1
Pteropus vampyrus bats with Nipah virus–neutralizing antibody titers, Peninsular Malaysia, January 2004–October 2006*
| Location | Sex | Age | No. | SNT titer | No. positive | % Seroprevalence (95% CI) |
|---|---|---|---|---|---|---|
| Perlis, n = 6 |
M | Adult | 4 | <8 | 0 | 16.7 (1.1–58.2) |
| Juvenile | 0 | NA | NA | |||
| Pup | 0 | NA | NA | |||
| F |
Adult | 0 | NA | NA | ||
| Juvenile | 2 | <8 | 1 | |||
| Pup |
0 |
NA |
NA |
|||
| Perak, n = 50 | M | Adult | 18 | <8–32 | 3 | 24 (14.1–37.5) |
| Juvenile | 11 | <8–64 | 2 | |||
| Pup | 0 | NA | NA | |||
| F | Adult | 18 | <8–512 | 7 | ||
| Juvenile | 3 | <8 | 0 | |||
| Pup |
0 |
NA |
NA |
|||
| Terengganu, n = 18 | M | Adult | 6 | <8–128 | 1 | 38.9 (20.2–61.5) |
| Juvenile | 5 | <8–64 | 4 | |||
| Pup | 0 | NA | NA | |||
| F | Adult | 6 | <8–16 | 2 | ||
| Juvenile | 0 | NA | NA | |||
| Pup |
1 |
<8 |
0 |
|||
| Johor, n = 73 | M | Adult | 23 | <8–128 | 12 | 42.4 (31.7–53.9) |
| Juvenile | 16 | <8–128 | 6 | |||
| Pup | 0 | NA | NA | |||
| F | Adult | 26 | <8–128 | 12 | ||
| Juvenile | 8 | <8–16 | 1 | |||
| Pup |
0 |
NA |
NA |
|||
| Pahang, n = 106 | M | Adult | 44 | <8–1,024 | 10 | 29.2 (21.4–38.5) |
| Juvenile | 9 | <8 | 0 | |||
| Pup | 0 | NA | NA | |||
| F | Adult | 50 | <8–1,024 | 21 | ||
| Juvenile | 3 | <8 | 0 | |||
| Pup |
0 |
NA |
NA |
|||
| Overall, N = 253 | Adult | 193 | <8–1,024 | 0 | 32.8 (27.3–38.8) | |
| Juvenile | 66 | NA | 14 | |||
| Pup | 1 | NA | 68 |
*SNT, serum neutralization test; NA, not applicable (no sample).
1Members of the Henipavirus Ecology Research Group are listed on the group’s website (www.ecohealthalliance.org/herg).
