Figure 3From: Familial summer-type hypersensitivity pneumonitis in Japan: two case reports and review of the literatureGeographic distribution of the 49 cases of Japanese summer type hypersensitivity pneumonitis (SHP). The disease is more common in the western and southern parts of the country and has a predilection for areas bordering the Pacific Ocean area when compared with areas facing the Sea of Japan. The northernmost site of the disease was in the Saitama Prefecture, located at a latitude of 36° north. ● indicates one SHP event. (blue human-shaped symbol) and (red human-shaped symbol) indicate male or female adult patients, respectively. (small blue human-shaped symbol) and (small red human- shaped symbol) indicate boy or girl patients who lived with their family. The map of Japan was obtained from the site (http://aoki2.si.gunma-u.ac.jp/map/map.html).Back to article page