Excerpt from Epidemiology and Public Health, Vol. 1 of 3: A Text and Reference Book for Physicians, Medical Students and Health Workers; Respiratory Infections Lakes region in which typhoid fever was not endemic and in which epidemics Of this disease did not occur from time to time. NO city which takes its water supply from the Great Lakes system, including its bays. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.