Public Health Service
Omikron
Public Health Warning, 1918
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Vaccination Of The Poor, 1873
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Rudolph Virchow, German Polymath
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Daniel Elmer Salmon, Veterinary Surgeon #1
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Common Bedbug, Cimex Lectularius
Wellcome Images
Valley Of The Drums, Bullitt County
Van D. Bucher
Rudolph Virchow, German Polymath #8
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Daniel Elmer Salmon, Veterinary Surgeon
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Quarantine
Photo Researchers
Hospital Treatment Area
Jim Ziv / Dorling Kindersley
National Institutes Of Health Building
Eunice Harris
National Institutes Of Health Building #1
Eunice Harris
Max Joseph Von Pettenkofer, German
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Max Joseph Von Pettenkofer, Bavarian
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Polluted Potomac River
Roger A. Clark
Valley Of The Drums, Bullitt County #1
Van D. Bucher
Canada Geese Flying Through Polluted Air
Gregory K Scott
Hazardous Waste
Barbara Burnes
Seal Killed By Oil Pollution
Karl W. Kenyon
Vaccinating The Poor, Smallpox
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Love Canal, Niagara Falls, Ny
Andy Levin
Beach Closed Due To Pollution
Joseph Sohm
Bullseye #1
George Mattei
Dead Chickens At Poultry Farm
Inga Spence
Dead Chickens At Poultry Farm #1
Inga Spence
School Nurse 1910
Photo Researchers
Anti-drug Billboard
Jan Lukas
Std Poster, Sometimes Penicillin Doesnt
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Std Poster, No Home Remedy Ever Cured
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Std Poster, Sometimes Penicillin Doesnt #1
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Paul Broca, French Anatomist
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Alexandre Parent-duchatelet, French
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Richard Mead, English Physician
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Paul Broca, French Anatomist #1
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Richard Mead, English Physician #1
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Rudolph Virchow, German Polymath
Photo Researchers
Paul Broca, French Anatomist #2
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Richard Mead, English Physician #2
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Richard Mead, English Physician #3
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Alexandre Parent-duchatelet, French #1
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Rudolph Virchow, German Polymath #1
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Richard Mead, English Physician #4
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Rudolph Virchow, German Polymath #2
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Richard Mead, English Physician #5
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Rudolph Virchow, German Polymath #3
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Ellis Island Medical Facilities
Photo Researchers
Paul Broca, French Anatomist #3
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Rudolph Virchow, German Polymath #4
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Paul Broca, French Anatomist #4
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Rudolph Virchow, German Polymath #5
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Rudolph Virchow, German Polymath #6
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Rudolph Virchow, German Polymath #7
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Rudolph Virchow, German Polymath #9
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Rudolph Virchow, German Polymath #10
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Rudolph Virchow, German Polymath #11
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Polio Immunization, Aerial View, 1962
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Joseph J. Kinyoun, American
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Richard Mead, English Physician #6
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Rudolph Virchow, German Polymath #12
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Joseph J. Kinyoun, American #1
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Sanitary Unit FAP Poster
Science Source
Female Tropical Bedbug, Cimex Hemipterus
Wellcome Images
Tropical Bedbug, Cimex Hemipterus
Wellcome Images
Male Tropical Bedbug, Cimex Hemipterus
Wellcome Images
Yellow Fever Mosquito
Nigel Cattlin
Adult Bed Bug
Nigel Cattlin
Jane Addams, American Activist
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Jane Addams, American Activist #1
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