260525.fig.002a
(a) Asthma
260525.fig.002b
(b) Bronchitis
260525.fig.002c
(c) Chronic obstructive pulmonary disease (COPD)
260525.fig.002d
(d) Coughing
260525.fig.002e
(e) Pneumonia
260525.fig.002f
(f) Upper respiratory tract infection (URI)
260525.fig.002g
(a) Wheezing
Figure 2: Geographic distribution of calculated annual prevalence during the time period April 1997—December 2003 in the Shiprock Service Area of the Navajo Nation, plus a 20-mile buffer to the north and east of the reservation boundary. UT:state of Utah; CO:state of Colorado; AZ:state of Arizona; NM:state of New Mexico. The town of Shiprock is highlighted, as are the locations of two coal-fired power plants. (a)–(g) display the following diseases/conditions, respectively: asthma, bronchitis, chronic obstructive pulmonary disorder (COPD), coughing, pneumonia, upper respiratory tract infection (URI), and wheezing.