| distribution of ticks and the risk of lyme disease and other tick-borne pathogens of public health significance in ontario, canada. | over the past two decades, the northward spread of ixodes scapularis across ontario, canada, has accelerated and the risk of lyme disease has increased. active surveillance is a recognized and effective method for detecting reproducing populations of i. scapularis. in this study, we conducted field sampling consistent with an active surveillance approach from may to october 2014 at 104 sites in central, eastern, and southern ontario to determine the current distribution of i. scapularis and othe ... | 2016 | 26870937 |