Pneumonia research at the Department of Health Research Lab in New York City

CU sign on an interior door, "Pneumococcus Typing and Pneumonia Serum Distribution, Division of Pneumonia Control, Department of Health, City of New York, Bureau of Laboratories" / two female lab techs enter and shut door / CU same sign / CU sign "603 Pneumonia Serum and Typing" / Pan up lab supply closet, female lab tech enters and picks up two bottles of liquid / VS supplies on shelves / A lab tech examines experimental rabbit hutches, opens a door, removes a white rabbit from the straw inside, and pets it / CU rabbit in tech's arms / rabbit is placed on a scale / Pan down exterior of the Department of Health Research Lab in New York City / Note: exact month/day not known