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Fig. 3 | Environmental Health

Fig. 3

From: Swimmer’s itch in Canada: a look at the past and a survey of the present to plan for the future

Fig. 3

Trends in Swimmer’s Itch Occurrences. a The total number of swimmer’s itch cases per month, as gathered by survey reports, are plotted for each year. b. Cumulative swimmer’s itch cases by month (2014–2017). c. Cumulative swimmer’s itch cases by year; cases for 2013 were not included, as this question was not added to the survey until 2014. d Spine plot of swimmer’s itch case proportions by month over four years (2014–2017). Grey-scale partitions within bars are proportions of cases in each month within the year. Width of the bars reflects the total sample size for each year

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