Table 1.

Numbers indicate sample collection areas on the map in Fig. 3 and type of analyses

Number on map	cELISA	RT-PCR	Reference
1	Positive	Not done	Karimuribo et al. (23) (samples from 2008)
2	Positive	Not done	Swai et al. (22)
3	Positive	Not done	Mbyuzi et al. (42) (samples from 2009)
4	Positive	Not done	Lembo et al. (28)
5	Not done	Positive	Kgotlele et al. (33)
6	Positive	Positive	Mahapatra et al. (29)

cELISA =competitive enzyme-linked immunosorbent assay; RT-PCR=reverse transcription polymerase chain reaction.