Volume 29, Number 2—February 2023
Dispatch
Nipah Virus Exposure in Domestic and Peridomestic Animals Living in Human Outbreak Sites, Bangladesh, 2013–2015
Table 1
Spillover human Nipah virus infection cases and bat roost and animal sampling, 6 sites, Bangladesh, 2013–2015*
Characteristic | Outbreak site |
||||||
---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | All sites | |
Date of outbreak |
2013 Jan |
2013 Mar |
2014 Jan |
2014 Jan |
2015 Jan |
2015 Jan |
|
No. human cases |
2 |
7 |
4 |
4 |
7 |
5 |
|
District |
Rajshah |
Manikgonj |
Faridpur |
Magura |
Faridpur |
Naogaon |
|
Bat roost sampled, Y/N |
Y |
Y |
Y |
Y |
N |
Y |
|
Ct value, median (IQR) |
38.62
(38.50–38.72) |
29.94
(29.60–33.90) |
37.5 |
N/A |
N/A |
37.25 |
|
Nipah virus RNA in urine underneath roost |
Pos |
Pos |
Pos |
Neg |
N/A |
Pos |
|
Distance from households to bat roosts, m, median (IQR) |
609
(367–1,200) |
770
(400–1,970) |
583
(499–812) |
325
(152–1,040) |
359
(162–520) |
1,065
(224–1,190) |
|
Months from outbreak to sampling animals (sampling date) |
9 mo
(2013 Oct) |
8 mo
(2013 Nov) |
4 mo
(2014 May) |
6 mo
(2014 Jul) |
5 mo
(2015 Jun) |
8 mo
(2015 Sep) |
|
Domestic animals sampled and tested, no. (%) | |||||||
Cattle | 0/43 | 0/47 | 0/50 | 0/50 | 1/45 (2) | 2/39 (5) | 3/274 (1) |
Goat | 0/49 | 0/51 | 0/50 | 0/50 | 0/69 | 0/61 | 0/330 |
Total |
0/92 |
0/98 |
0/100 |
0/100 |
1/114 (1) |
2/100 (2) |
3/604 (1) |
Peridomestic animals sampled and tested, no. (%) | |||||||
Dog | 1/36 (3) | 0/28 | 1/27 (4) | 1/35 (3) | 0/44 | 2/19 (11) | 5/189 (3) |
Cat | 0/14 | 1/22 (5) | 3/15 (20) | 0/8 | 0/6 | 0/20 | 4/85 (5) |
Rat | 0/28 | 0/23 | 0/36 | 0/17 | 0/17 | 0/21 | 0/142 |
House shrew | 0/12 | 0/25 | 0/13 | 0/33 | 0/23 | 0/30 | 0/136 |
Total | 1/90 (1) | 1/98 (1) | 4/91 (4) | 1/93 (1) | 0/90 | 2/90 (2) | 9/552 (2) |
*Ct, cycle threshold; IQR, interquartile range; NA, data not available; neg, negative; pos, positive.