Dr. Cox's assistant innoculating eggs with louse-borne typhus germs. U...
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Miss Moore, assistant to Doctor Cox, at microscope. USPHS (United Stat...
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Dr. Davis, Dr. Steinhaus, Dr. Parker (director), and Dr. Cooley, of th...
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Innoculating eggs with yellow fever vaccine. USPHS (United States Publ...
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The sterility of each batch of vaccine is tested before it leaves the ...
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Doctor Parker, director of the USPHS (United States Public Health Serv...
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Harvesting embryos containing yellow fever vaccine virus. Tops of eggs...
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Dispensing yellow fever vaccine into ampules. USPHS (United States Pub...
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Doctor Herrald R. Cox with flasks of the typhus vaccine obtained from ...
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Doctor Cooley, one of the pioneers at the Rocky Mountain Laboratory in...
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Typhus vaccine ready to be packed for shipment. USPHS (United States P...
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Harvesting embryos containing yellow fever vaccine virus. USPHS (Unite...
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Dr. Herrald R. Cox, who developed the method of producing typhus vacci...
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Performing autopsy on tularemia-infected guinea pigs. Water from suspe...
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Dr. Cooley, one of the pioneers at the Rocky Mountain Laboratory in st...
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Performing autopsy on tularemia-infected guinea pigs. Water from suspe...
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Placing crude typhus vaccine in centrifuging machines. USPHS (United S...
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Placing crude typhus vaccine in centrifuging machine. USPHS (United St...
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Testing yellow fever serum by injecting it into white mice. USPHS (Uni...
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The sterility of each batch of vaccine is tested before it leaves the ...
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Labeling bottled vaccines. USPHS (United States Public Health Service)...
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Doctor Cooley and Glen Kohls at work at microscope. USPHS (United Stat...
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Examining strain cultures for possible contamination. USPHS (United St...
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Dr. Cooley, one of the pioneers at the Rocky Mountain Laboratory in st...
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Cold storage of spotted fever and typhus fever vaccines. Vaccine in la...
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Experimenting on rabbit. This little rabbit is doing its bit for scien...
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Placing typhus vaccine in centrifuging machine. USPHS (United States P...
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Harvesting embryonic membranes from eggs infected with louse-borne typ...
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Innoculating eggs with yellow fever vaccine virus. USPHS (United State...
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Dr. Davis, Dr. Steinhaus, Dr_____, Dr. Parker (director), and Dr. Cool...
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Doctor Herrald R. Cox who developed the method of producing typhus vac...
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Harvesting embryonic membranes from eggs infected with louse-borne typ...
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Testing yellow fever serum by injecting it into the brain of a monkey....
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Testing yellow fever serum by injecting it into white mice. USPHS (Uni...
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Doctor Herrald R. Cox who developed the method of producing typhus vac...
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Dr. Cox removing brain of typhus-infected guinea pig. USPHS (United St...
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Harvesting embryos containing yellow fever vaccine virus. USPHS (Unite...
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Dr. E.A. Steinhaus examining bacteria cultures from insects and ticks....
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Testing yellow fever serum by injecting into brain of monkey. USPHS (U...
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Dr. E.A. Steinhaus and his collection of bacteria cultures isolated fr...
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Typhus vaccine ready for packing and shipment. Here is enough vaccine ...
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Typhus vaccine to be bottled. USPHS (United States Public Health Servi...
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Using acetylene torch to take tops off eggs under completely sterile c...
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Harvesting embryos containing yellow fever vaccine virus. USPHS (Unite...
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Removing defective ampule of yellow fever vaccine from dessicator. USP...
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Bottling eight cubic centimeter quantities of typhus vaccine for shipm...
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Innoculating eggs with louse-borne typhus germs. USPHS (United States ...
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Doctor Cooley and his collection of ticks from all parts of the world....
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Bacteriologist at microscope. USPHS (United States Public Health Servi...
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Dispensing yellow fever vaccine into ampules. USPHS (United States Pub...
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Harvesting embryonic membranes from eggs infected with louse-borne typ...
Picryl description: Public domain image of food, dinner, grocery store, eating, 1930s, mid-20th-century United States, free to use, no copyright restrictions.
Putting fresh eggs infected with louse-borne typhus into incubator. US...
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Filtering human serum used in preparation of yellow fever vaccine. USP...
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Dr. Pundit, of India, who has been studying methods at the Rocky Mount...
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Using acetylene torch to remove tops of eggs under completely sterile ...
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Aseptic dispensing of carbohydrate broth. USPHS (United States Public ...
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Freezing yellow fever vaccine before dessication. USPHS (United States...
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In the library at the USPHS (United States Public Health Service) Roc...
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Dr. E.A. Steinhaus studying bacteria cultures from insects and ticks. ...
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Bottling eight cubic centimeter quantities of typhus vaccine. USPHS (U...
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Doctor Pundit, of India, who has been studying methods at the Rocky Mo...
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Preparing labels for bottled vaccines. USPHS (United States Public Hea...
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Packing typhus vaccine for shipment. Here is enough vaccine to innocul...
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Dr. Cox removing brain of typhus-infected guinea pig. USPHS (United St...
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The sterility of each batch of vaccine is tested before it leaves the ...
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Inspecting yellow fever vaccine during dessication. USPHS (United Stat...
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Typhus vaccine department. Dr. Herrald R. Cox at the microscope, an as...
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Dr. Cox's assistant innoculating eggs with louse-borne typhus germs. U...
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Experimenting on rabbit. This little rabbit is doing its bit for scien...
A couple of men standing next to each other in a kitchen, Library of Congress Harris and Ewing collection Title from unverified caption data on negative or negative sleeve. Gift; Harris & Ewing, Inc. 1955. Gen... More
Doctor Herrald R. Cox extracting fats from typhus vaccine. USPHS (Unit...
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Dr. Herrald R. Cox, who developed the method of producing typhus vacci...
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Labeling bottled vaccines. USPHS (United States Public Health Service)...
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Dr. E.A. Steinhaus examining diseased germs isolated from ticks. USPHS...
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Dr. Herrald R. Cox with flasks of typhus vaccine obtained from eggs ac...
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