This report provides a comprehensive overview of the health status of the Philippine Islands in the early 20th century. It covers topics such as infectious diseases, vaccination programs, public sanitation, and health education. The report was written by Victor G. Heiser, an American physician and public health official who served as director of the Bureau of Health for the Philippine Islands from 1905 to 1915. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.