Fig. 2From: Elevated blood lead and cadmium levels associated with chronic infections among non-smokers in a cross-sectional analysis of NHANES dataBox plots of 10th, 25th, 50th, 75th, and 90th percentiles for blood levels of lead (panel a) and cadmium (panel b) by pathogen seropositivity among non-smoking NHANES participants, 1999–2012Back to article page