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vaccine Vaccines by the numbers Smallpox vaccination Vaccine timeline Historical mass vaccination programs in the United States
Gloved hands draw liquid from a vial into a syringe, overlaid on a digitally colored microscopic image of a virus with round particles in clusters.
How did the polio vaccine change the world?
Human papillomavirus vaccine
Find out from Dr. Tina Tan of Northwestern University why adult vaccination against various types of diseases is important
human B cell
For Students
vaccine summary
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Artificial lung ventilation monitor in the intensive care unit. Nurse with medical equipment. Ventilation of the lungs with oxygen. COVID-19 and coronavirus identification. Pandemic.
Is There a Doctor in the House? Firsts in Medicine Quiz
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Doctor wearing medical gloves with vaccine syringe in foreground. Vaccination concept
How Do Vaccines Work?
Young boy receiving a vaccine shot (child, vaccines, vaccinations, health care).
Do Vaccines Cause Autism?
Lisa Taylor receives a COVID-19 vaccination from RN Jose Muniz as she takes part in a vaccine study at Research Centers of America, August 07, 2020 in Hollywood, Florida. Research Centers of America is currently conducting COVID-19 vaccine trials, impleme
How Is a Vaccine Approved for Use?
Hand washing. Healthcare worker washing hands in hospital sink under running water. contagious diseases wash hands, handwashing hygiene, virus, human health
17 Questions About Health and Wellness Answered
Illustration by the CDC, reveals ultrastructural morphology exhibited by coronaviruses. Note the spikes on the outer surface of the virus, which impart the look of a corona surrounding the virion, when viewed electron microscopically. A novel coronavirus,
The Top COVID-19 Vaccine Myths Spreading Online
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What Do Eggs Have to Do with Easter?
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7 of the World’s Deadliest Shipwrecks
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News •

Sudbury newcomers face vaccine barriers as kids risk school expulsion • Apr. 16, 2025, 11:34 PM ET (CBC)
Vaccine expert worries child measles deaths are being 'normalized' • Apr. 14, 2025, 8:49 AM ET (NPR)
Exposure to antibiotics as a newborn can impair immune response to vaccines, study finds • Apr. 4, 2025, 11:47 PM ET (Medical Xpress)
Top F.D.A. Vaccine Official Resigns, Citing Kennedy’s ‘Misinformation and Lies’ • Mar. 29, 2025, 2:23 AM ET (New York Times)
'Low-sugar' vaccine can provide broad immunity against coronavirus variants • Mar. 25, 2025, 7:56 AM ET (Medical Xpress)

Photos and Videos

vaccine
Smallpox vaccination
Historical mass vaccination programs in the United States
Human papillomavirus vaccine
human B cell
Mpox vaccine
Gloved hands draw liquid from a vial into a syringe, overlaid on a digitally colored microscopic image of a virus with round particles in clusters.
How did the polio vaccine change the world?
Find out from Dr. Tina Tan of Northwestern University why adult vaccination against various types of diseases is important
Working toward a vaccine to stop nicotine addiction
Why don't flu shots always work?
See All Videos, Images and Interactives →

Related Topics and References

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Key People

Louis Pasteur
Louis Pasteur
French chemist and microbiologist
Edward Jenner
Edward Jenner
English surgeon
Frazer, Ian; Gardasil
Ian Frazer
Scottish-born Australian immunologist
Sir Almroth Edward Wright
British bacteriologist and immunologist
Theiler, Max
Max Theiler
American microbiologist
Émile Roux
Émile Roux
French bacteriologist
Fernand-Isidore Widal
French physician and bacteriologist
Thomas Francis, Jr.
American microbiologist
Maurice Hilleman
Maurice Hilleman
American microbiologist

Related Quizzes and Features

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Artificial lung ventilation monitor in the intensive care unit. Nurse with medical equipment. Ventilation of the lungs with oxygen. COVID-19 and coronavirus identification. Pandemic.
Is There a Doctor in the House? Firsts in Medicine Quiz
List
Hand washing. Healthcare worker washing hands in hospital sink under running water. contagious diseases wash hands, handwashing hygiene, virus, human health
17 Questions About Health and Wellness Answered
Illustration by the CDC, reveals ultrastructural morphology exhibited by coronaviruses. Note the spikes on the outer surface of the virus, which impart the look of a corona surrounding the virion, when viewed electron microscopically. A novel coronavirus,
The Top COVID-19 Vaccine Myths Spreading Online