Volume 22, Number 1—January 2016
Dispatch
Rift Valley Fever Virus among Wild Ruminants, Etosha National Park, Namibia, 2011
Andrea Capobianco Dondona
, Ortwin Aschenborn, Chiara Pinoni, Luigina Di Gialleonardo, Adrianatus Maseke, Grazia Bortone, Andrea Polci, Massimo Scacchia, Umberto Molini, and Federica Monaco
, Ortwin Aschenborn, Chiara Pinoni, Luigina Di Gialleonardo, Adrianatus Maseke, Grazia Bortone, Andrea Polci, Massimo Scacchia, Umberto Molini, and Federica Monaco
Table 1
Results of serologic and virologic testing of wild ruminants for Rift Valley fever virus, Etosha National Park, Namibia, 2011*
| Animal and time of sampling | rRT-PCR | IgM | Total antibodies other than IgM | No. positive/no. tested (% positive) |
|---|---|---|---|---|
| Springbok (Antidorcas marsupialis), n = 230 | ||||
| May–Jul | – | – | – | 119/200 (59.5) |
| – | – | + | 37/200 (18.5) | |
| – | + | – | 26/200 (13.0) | |
| + | – | – | 11/200 (5.5) | |
| + | + | – | 4/200 (2.0) | |
| + | – | + | 3/200 (1.5) | |
| Dec | – | – | – | 20/45 (44.4)† |
| – |
– |
+ |
25/45 (55.6)† |
|
| Wildebeest (Connochaetes taurinus), n = 53 | ||||
| May–Jul | – | – | – | 38/50 (76.0) |
| – | – | + | 12/50 (24.0) | |
| Dec | – | – | – | 6/7 (85.7)† |
| – |
– |
+ |
1/7 (14.3)† |
|
| Black-faced impala (Aepyceros melampus petersi), n = 8 | ||||
| Dec | – | – | – | 3/8 (37.5) |
| – | – | + | 5/8 (62.5) |
*rRT-PCR, real-time reverse transcription PCR.
†15 springbok and 4 wildebeest were recaptured during the second phase of sampling (December 2011).
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