Figure 1.
Scudder grill housefly enumeration device in use in Mirzapur.
Figure 2.
Map of the Mirzapur DSS showing Kumudini hospital and the 6 randomly-chosen sentinel households.
Figure 3.
Mean weekly fly count and Shigella-associated cases presenting to Kumudini Hospital by calendar month.
Children 0–11 (A), 12–23 (B) and 24–59 (C) months of age.
Table 1.
Number estimated positive for MSD among all eligible children with MSD presenting at Kumudini Hospital.
Figure 4.
Mean weekly fly count (solid black line), Shigella cases (solid black line with circle connectors) and mean, maximum and minimum temperatures by biweekly enrollment period.
Children 12–59 months of age. Average daily mean temperature (dashed line) with average daily maximum and minimum temperatures above and below (gray lines) in °C.
Figure 5.
Scatterplot of log Shigella case counts against fly density untransformed (left) and log scale (right).
Table 2.
GLM Poisson regressions of Shigella case counts on lags of log fly counts.*
Table 3.
GLM Poisson time series model of Shigella case counts on log housefly count.
Table 4.
Procedure for calculating the autocorellation-adjusted attributable fraction (AF) using the Bruzzi procedure.