Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
World Health Organization
Table of Contents
Introduction References & Edit History Quick Facts & Related Topics
Images & Videos
World Health Organization: vaccinations
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.
World Health Organization Margaret Chan last known case of smallpox
For Students
World Health Organization summary
Read Next
Health care workers tend to patients at the drive-in center at ProHealth Care on March 18, 2020 in Jericho, New York. The facility offers COVID-19 testing as more than 200,000 people in at least 144 countries have been infected, with deaths in the....
Who Can Declare a Pandemic and What Criteria Are Required for an Outbreak to Be Called a Pandemic?
Discover
Panoramic view at sunrise of moai, Ahu Tongariki, Easter Island (Rapa Nui), Chile
6 Lost Civilizations
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
A mug shot taken by the regional Colombia control agency in Medellin
Pablo Escobar: 8 Interesting Facts About the King of Cocaine
Close up of periodic table, focus on nickel, copper, zinc, palladium, silver, cadmium
When Was the Periodic Table Invented?
Camel at Khor Rori, Oman; mammal.
Do Camels Store Water in Their Humps?
Franklin D. Roosevelt, who formulated the Four Freedoms.
7 Alphabet Soup Agencies that Stuck Around
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?

World Health Organization: Media

UN public health agency
Share
Share to social media
URL
https://www.britannica.com/topic/World-Health-Organization/images-videos

Videos

How we develop new vaccines
Worried about diphtheria? No? Thank vaccines.
Video: Encyclopædia Britannica, Inc.

Images

World Health Organization: vaccinations
World Health Organization workers preparing vaccinations in Mariscal Estigarribia,...
PAHO/World Health Organization
World Health Organization
World Health Organization workers distributing mosquito nets in a Cambodian village...
S. Hollyman/World Health Organization
Margaret Chan
World Health Organization director general Margaret Chan (left) and Pan American...
Eraldo Peres/AP Images
last known case of smallpox
Ali Maow Maalin, who contracted the world's last known case of smallpox, in Merka,...
Centers for Disease Control and Prevention
VIEW MORE in these related Britannica articles: