This essay provides an early study of the causes and prevention of cholera and other epidemics. William Schmoele argues that cholera is caused by miasma, or poisonous air, and recommends measures such as quarantine and improved sanitation to prevent its spread. The text includes statistics on cholera outbreaks in Europe and Asia. This work is an important historical resource for researchers and public health experts concerned with infectious diseases. 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.