Volume 23, Number 3—March 2017
Likely Autochthonous Transmission of Trypanosoma cruzi to Humans, South Central Texas, USA
|Case-patient||Birthplace/former residence||Current residence||Occupational||Recreational camping||Recreational hunting|
*Risk was determined through administration of a patient survey. No risk (0) was defined as not living in a rural area and having no history of outdoor occupation or recreational activities. Low risk (+) was defined as ever living in a rural area, having an outdoor occupation, or engaging in hunting or camping in an area with known triatomine activity. Moderate risk (++) was defined as, in addition to low-risk activities, an extensive history of these activities (>1 y), or having slept in a tent in a rural part of Texas. High risk (+++) was defined as, in addition to moderate-risk activities, reporting 1 of the following: reported seeing triatomines, had collective animal housing around the property, or lived or slept in substandard housing.