Fig. 5
From: Swimmer’s itch in Canada: a look at the past and a survey of the present to plan for the future
Self-Reporting Survey Results. a Residency status and knowledge of how common swimmer’s itch is. b How respondents heard about or found the survey. c Swimmer’s itch severity rating as identified by respondents. d Whether or not respondents sighted waterfowl at the lake during the time they contracted swimmer’s itch. e Whether or not respondents sighted snails at the lake. f Whether or not respondents were aware of a blue-green algae (cyanobacteria) warning sign at the lake. g Potential effects on future use of the lake for recreation after having had swimmer’s itch. h Whether respondents would visit more, less, or the same amount if they knew whether or not swimmer’s itch was a risk