Fig. 2From: Seasonal variation in the prevalence of Toxocara eggs on children’s playgrounds in the city of Hanover, GermanyMonthly variation of Toxocara eggs in 500 g sand from (a) sandpits (n = 46) and (b) climbing frames (n = 13) of contaminated playgrounds. The number of positive samples in each month is indicated below the X-axis. Circle size is proportional to the number of data points with the same value. Abbreviation: NA, not applicable (not sampled)Back to article page