Dr. Push Foster takes a 2-year job at the Lukachukai Health Station with no thought that he will soon be plunged into a medical mystery and crisis: the outbreak of a pneumonia-like illness whose terrible swiftness makes it almost impossible to treat. And most mysteriously all the victims have been Navajo, and young. With contacts at the CDC in atlanta, push calls in all the expert help he can. But the scientific answers to what is eventually identified as the rodent-borne hanta virus are unsatisfying, even irrelevant, to the Navajo, who believe something far more frightening is at work--an...