Volume 18, Number 3—March 2012
Letter
Serologic Evidence of Nipah Virus Infection in Bats, Vietnam
Futoshi Hasebe
, Nguyen Thi Thu Thuy, Shingo Inoue, Fuxun Yu, Yoshihiro Kaku, Shumpei Watanabe, Hiroomi Akashi, Dang Tuan Dat, Le Thi Quynh Mai, and Kouichi Morita
, Nguyen Thi Thu Thuy, Shingo Inoue, Fuxun Yu, Yoshihiro Kaku, Shumpei Watanabe, Hiroomi Akashi, Dang Tuan Dat, Le Thi Quynh Mai, and Kouichi Morita
Table
Results of serologic tests for Nipah virus on bats captured in Vietnam, 2007–2008*
| Bat species | No. samples | No. (%) ELISA+ | No. WB+/no. ELISA+ | No. micro-NT+/no. ELISA+† |
|---|---|---|---|---|
| Megachiroptera | ||||
| Cynopterus sphinx | 109 | 3 (2.8) | 2/2 | 0/3 |
| Rousettus leschenaulti | 74 | 31 (41.9) | 18/20 | 2‡/31 |
| Total | 183 | 34 (18.6) | 20/22 | 2/34 |
| Microchiroptera | ||||
| Chaerephon plicata | 130 | 0 | ||
| Hipposideros armiger | 1 | 0 | ||
| Hipposideros cineraceus | 3 | 0 | ||
| Hipposideros larvatus | 3 | 0 | ||
| Hipposideros pomona | 5 | 0 | ||
| Hypsugo cadornae | 25 | 0 | ||
| Megaderma spasma | 3 | 0 | ||
| Miniopterus magnater | 1 | 0 | ||
| Scotophilus kuhi | 45 | 0 | ||
| Unidentified | 52 | 0 | ||
| Total | 268 | 0 |
*+, positive; WB, Western blot; NT, neutralization test. Blank cells indicate that test was not done.
†Micro-NT was done only on specimens positive for Nipah virus by ELISA.
‡One of the NT-positive samples was negative by WB analysis.
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