Table 3.

Dates and time periods of detections of mosquito species having the Eastern equine encephalitis virus and occurrences of human cases, in the four counties of Madison, Oneida, Onondaga and Oswego, in Central New York State, 1971–2012

			Datea of mosquito feeding on human caseb	Datea of onset of symptoms in human case	Datea of first and last detection of mosquito species having virus					Time between first and last seasonal detection of mosquito having virus (days)	Time between first detection of mosquito having virus and mosquito feeding on human case (days)
Year	Year (cardinal)	Case (ordinal)			Cs. melanura	Cq. perturbans	Cs. morsitans	Ae. canadensis	Ae. vexans	Cs. melanura	Cs. melanura	Cq. perturbans	Cs. morsitans	Ae. canadensis	Ae. vexans
1971	1	1	225	231	240–240	c	237–241	d	c	1	15	c	16	d	c
1983	12	2	229	237	193–279	c	193–252	206–221	c	87	36	c	23	23	c
2009	38	3	236	243	182–266	204–246	c	225–225	c	85	54	32	c	11	c
2010	39	4	213	220	181–266	210–236	c	236–236	c	86	32	3	c	23	c
2010	39	5	228	235	181–266	210–236	c	236–236	c	86	47	18	c	8	c
2011	40	6	208	215	199–272	202–230	234–234	230–230	250–250	74	9	6	22	22	42

^aJulian date of the year (from 1 to 365).

^bBased on incubation time periods documented for: 1971 case 1 of 5 days, and for 1983 case 2 of 8 days and for cases 3–6 estimated based on the average of (8 + 5)/2 = 7 days [1, 29].

^cThis mosquito species was found in collections and tested and the virus was not detected.

^dThis mosquito species was not found in collections.