Research

Scope and Content Note

The series consists of personal and medical data reported over several decades about tens of thousands of polio victims from throughout the state. Data are written on pre-printed cards (approximately 3.5" x 6" in size). The exact information reported varies with the format of the cards, which changed over the years. The series also includes a very small amount of textual information on a few select cases.

Personal data on the case report card consists of the patient's name; address; occupation; age; sex; color/race; national origin; and primary health district number. The forms used between 1915 and 1917 give size and composition of household.

Medical data consists of where and how the individual contracted the disease; any physical relationship to milk production or dairy farming; date of first symptoms; onset of paralysis; extent, location, and duration of paralysis (not included, 1940-1959); and measures taken to prevent contagion. The 1915-1917 forms ask if department assistance is needed. Physicians sometimes request literature, nursing services, or intervention by state sanitary engineers to correct neighborhood sanitation problems. Between 1954 and 1959, there occasionally are notes on the patient's immunization history. From 1960 on, the immunization history appears on nearly every card.

Seven investigative case reports have survived with the 1915 case report cards. Physicians apparently completed these reports voluntarily. The Department solicited them to collect information that might help classify early symptoms and types of polio; determine the environmental conditions in which the disease occurs; and identify its mode of entry into the body. Information includes type of housing; topographical location and sanitary conditions of the patient's home; diet; previous state of health; features of the acute state of the disease; description of paralysis; treatment and laboratory work; symptoms immediately preceding death in fatal cases; and additional comments by the reporting physician.

Many cards marked "case not charged" apparently represent polio cases for which the diagnosis changed or the case was transferred out of state. Such cards are frequently crossed out and filed together with those marked as duplicates at the end of the respective year's report cards. Some others are filed separately in the final box of the series, along with cards for which the date is unknown.