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).