Figure 1From: Emergence of new leptospiral serovars in American Samoa - ascertainment or ecological change? Distribution of population density and predominant leptospiral serovars in American Samoa 2010. Panel (a): population distribution in American Samoa. Panels (b) to (d): sampling distribution of the study and positive MATs for (b) serovar Hebdomadis, (c) serovar LT 751, and (d) serovar LT 1163.Back to article page