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infectious disease: Media
Videos
Knowing the difference isn't just a technical distinction—it can save lives.
Video: Encyclopædia Britannica, Inc.
Learn why tuberculosis is still a threat to the human population.
Video: © American Chemical Society (A Britannica Publishing Partner)
Learn how the polio vaccine, whose original formulation was announced by Jonas Salk...
Video: Encyclopædia Britannica, Inc.
Learn about the search for a universal flu vaccine.
Video: © American Chemical Society (A Britannica Publishing Partner)
Images
Four methicillin-resistant Staphylococcus aureus (MRSA) bacteria (purple)...
National Institute of Allergy and Infectious Diseases/Centers for Disease Control and Prevention (CDC)
A Pap smear specimen showing the bacterium Chlamydia trachomatis, the cause...
Laboratory of Dr. Lance Liotta/National Cancer Institute
Colorized scanning electron micrograph of the bacterium Rickettsia prowazekii,...
© CNRI/Science Source
Blisters characteristic of herpes zoster (shingles) shown on the neck and shoulder.
John Pozniak
An image taken with a scanning electron microscope shows SARS-CoV-2 (in orange),...
Courtesy, NIAID/RML
Hilary Koprowski (left) and Herald R. Cox, researchers in the field of viral diseases,...
Bettmann/Getty Images
Refugees from Kyrgyzstan waiting in a refugee camp near the village of Erkishlok,...
Anvar Ilyasov—AP/Shutterstock.com
Clostridium tetani bacteria, the cause of tetanus.
© KATERYNA KON—Science Photo Library/Getty Images
A neutrophil, a type of white blood cell (in blue), interacts with pneumonia bacteria...
David Dorward, Ph.D.—National Institute of Allergy and Infectious Diseases/Centers for Disease Control and Prevention (CDC)
A health care worker giving a polio vaccine to a child in Katsina state, Nigeria,...
Alford Williams/Centers for Disease Control and Prevention (CDC)
Army personnel working with a Gabonese woman and her child at a medical clinic that...
National Archives, Washington, D.C.
Gram-negative bacteria such as Neisseria meningitidis are a common cause...
© Ilexx/Dreamstime.com
Interactives
Interactive chart displaying lives saved or birth rate increase from vaccines.
Encyclopædia Britannica, Inc.
An interactive timeline on the development of vaccines.
Encyclopædia Britannica, Inc. / Lucia Barnum
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