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Smoking Tied to Pneumonia Cases in War Zones: " puzzling cluster of pneumonia cases among American troops in Iraq and other countries in the war region seems to be partly related to the fact that many had taken up smoking shortly before they became ill, Pentagon officials said yesterday.
Two teams of military and civilian epidemiologists and environmental health specialists have been investigating a cluster of 19 cases of severe pneumonia, including two deaths, that occurred from March 1 through August. "