Headquarters in Geneva
A TEM micrograph of yellow fever virus (234,000× magnification)
Malaria parasite connecting to a red blood cell
Headquarters in Geneva
Aedes aegypti feeding
Main symptoms of malaria
Alexey Yablokov (left) and Vassili Nesterenko (farthest right) protesting in front of the World Health Organization headquarters in Geneva, Switzerland in 2008.
Adults of the yellow fever mosquito A. aegypti: The male is on the left, females are on the right. Only the female mosquito bites humans to transmit the disease.
The life cycle of malaria parasites. Sporozoites are introduced by a mosquito bite. They migrate to the liver, where they multiply into thousands of merozoites. The merozoites infect red blood cells and replicate, infecting more and more red blood cells. Some parasites form gametocytes, which are taken up by a mosquito, continuing the life cycle.
Demonstration on Chernobyl disaster day near WHO in Geneva
The cover of a certificate that confirms the holder has been vaccinated against yellow fever
Micrograph of a placenta from a stillbirth due to maternal malaria. H&E stain. Red blood cells are anuclear; blue/black staining in bright red structures (red blood cells) indicate foreign nuclei from the parasites.
Three former directors of the Global Smallpox Eradication Programme read the news that smallpox had been globally eradicated, 1980
Information campaign for prevention of dengue and yellow fever in Paraguay
Electron micrograph of a Plasmodium falciparum-infected red blood cell (center), illustrating adhesion protein "knobs"
Countries by World Health Organization membership status
Areas with risk of yellow fever in Africa (2017)
The blood film is the gold standard for malaria diagnosis.
Stairwell, 1969
Areas with risk of yellow fever in South America (2018)
Ring-forms and gametocytes of Plasmodium falciparum in human blood
Internal courtyard, 1969
Sugar curing house, 1762: Sugar pots and jars on sugar plantations served as breeding place for larvae of A. aegypti, the vector of yellow fever.
An Anopheles stephensi mosquito shortly after obtaining blood from a human (the droplet of blood is expelled as a surplus). This mosquito is a vector of malaria, and mosquito control is an effective way of reducing its incidence.
Reflecting pool, 1969
Headstones of people who died in the yellow fever epidemic of 1878 can be found in New Orleans' cemeteries
Man spraying kerosene oil in standing water, Panama Canal Zone, 1912
Exterior, 1969
A page from Commodore James Biddle's list of the 76 dead (74 of yellow fever) aboard the USS Macedonian, dated 3 August 1822
Walls where indoor residual spraying of DDT has been applied. The mosquitoes remain on the wall until they fall down dead on the floor.
From Southwest, 2013
Yellow fever in Buenos Aires, 1871
A mosquito net in use.
Entrance hall, 2013
Carlos Finlay
An advertisement for quinine as a malaria treatment from 1927.
Main conference room, 2013
Walter Reed
Deaths due to malaria per million persons in 2012
Map of the WHO's regional offices and their respective operating regions.
Africa; HQ: Brazzaville, Republic of the Congo
Western Pacific; HQ: Manila, Philippines
Eastern Mediterranean; HQ: Cairo, Egypt
South East Asia; HQ: New Delhi, India
Europe; HQ: Copenhagen, Denmark
Americas; HQ: Washington, D.C., US
Max Theiler
Past and current malaria prevalence in 2009
Vaccination against yellow fever 10 days before entering this country/territory is required for travellers coming from... 
All countries
Risk countries (including airport transfers)
Risk countries (excluding airport transfers)
No requirement (risk country)
No requirement (non-risk country)
Ancient malaria oocysts preserved in Dominican amber
British doctor Ronald Ross received the Nobel Prize for Physiology or Medicine in 1902 for his work on malaria.
Chinese medical researcher Tu Youyou received the Nobel Prize for Physiology or Medicine in 2015 for her work on the antimalarial drug artemisinin.
Artemisia annua, source of the antimalarial drug artemisinin
U.S. Marines with malaria in a field hospital on Guadalcanal, October 1942
Members of the Malaria Commission of the League of Nations collecting larvae on the Danube delta, 1929
1962 Pakistani postage stamp promoting malaria eradication program
Malaria clinic in Tanzania
Child with malaria in Ethiopia
World War II poster
Disability-adjusted life year for malaria per 100,000 inhabitants in 2004
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Its current priorities include communicable diseases, particularly HIV/AIDS, Ebola, COVID-19, malaria and tuberculosis; non-communicable diseases such as heart disease and cancer; healthy diet, nutrition, and food security; occupational health; and substance abuse.

- World Health Organization

Subsequent conferences, from 1902 until the final one in 1938, widened the diseases of concern for the ISC, and included discussions of responses to yellow fever, brucellosis, leprosy, tuberculosis, and typhoid.

- World Health Organization

In a differential diagnosis, infections with yellow fever must be distinguished from other feverish illnesses such as malaria.

- Yellow fever

The World Health Organization (WHO) now states that a single dose of vaccine is sufficient to confer lifelong immunity against yellow fever disease.

- Yellow fever

In areas where malaria is common, the World Health Organization (WHO) recommends clinicians suspect malaria in any person who reports having fevers, or who has a current temperature above 37.5 °C without any other obvious cause.

- Malaria

A year later, Carlos Finlay, a Cuban doctor treating people with yellow fever in Havana, provided strong evidence that mosquitoes were transmitting disease to and from humans.

- Malaria
Headquarters in Geneva

1 related topic with Alpha


Ceiling hung mosquito netting.

Mosquito net

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Type of meshed curtain that is circumferentially draped over a bed or a sleeping area, to offer the sleeper barrier protection against bites and stings from mosquitos, flies, and other pest insects, and thus against the diseases they may carry.

Type of meshed curtain that is circumferentially draped over a bed or a sleeping area, to offer the sleeper barrier protection against bites and stings from mosquitos, flies, and other pest insects, and thus against the diseases they may carry.

Ceiling hung mosquito netting.
Frame hung mosquito netting.
Tent made of mosquito netting.
Window with mosquito netting.
An Ethiopian mother with a long lasting insecticide-treated mosquito net.

Examples of such preventable insect-borne diseases include malaria, dengue fever, yellow fever, zika virus, Chagas disease and various forms of encephalitis, including the West Nile virus.

These nets can often be obtained for around $2.50–$3.50 (2–3 euros) from the United Nations, the World Health Organization (WHO), and others.