1797 – Massachusetts passed a law allowing local boards of health to be established

Many other acts throughout the 17th and 18th centuries addressed prevention of disease and the spread of contagions. Toward the end of the eighteenth century, the appearance of several epidemics of influenza, smallpox, scarlet fever, and yellow fever brought the investigation of disease to the forefront of medical interest. Notably, on June 22, 1797, a…