Table 5. MIRs for MERDV in selected Aedes, Anopheles, Ochlerotatus and Psorophora spp. mosquitoes.

Species	No. mosquitoes tested*	No. pools tested (positive)	MIR†	Study site where positive pools were collected‡
Aedes aegypti	419	20 (0)	0	Tixkokob, Merida, Cozumel Island, Sian Ka'an and Tzucacab
Anopheles albimanus	727	20 (0)	0	Tixkokob, Merida, Cozumel Island, Sian Ka'an and Tzucacab
Anopheles crucians	691	20 (0)	0	Tixkokob, Merida, Cozumel Island, Sian Ka'an and Tzucacab
Anopheles vestitipennis	913	20 (0)	0	Tixkokob, Merida, Cozumel Island, Sian Ka'an and Tzucacab
Ochlerotatus taeniorhynchus	1000	20 (3)	3.0	Cozumel Island
Ochlerotatus trivittatus	734	20 (3)	4.1	Cozumel Island, Merida and Tzucacab
Psorophora cyanescens	1000	20 (0)	0	Tixkokob, Merida, Cozumel Island, Sian Ka'an and Tzucacab
Total	5484	140 (6)

^*All mosquitoes were female.

^†Expressed as the number of positive mosquito pools per 1000 mosquitoes tested.

^‡Mosquitoes were collected using mosquito magnets at five study sites (Tixkokob, Merida, Cozumel Island, Sian Ka'an and Tzucacab) in 2007–2008.