Which kind of pathogen causes malaria?
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A parasite (Plasmodium)
It is neither bacterium nor virus, but a single-celled parasite.
💡 Did you know? It attacks the red blood cells.
12 questions · History
Malaria is one of humanity's oldest and most consequential diseases and to this day one of the deadliest. It is caused not by a bacterium or virus, but by tiny parasites of the genus Plasmodium, which enter the blood through the bite of the female Anopheles mosquito. There they attack red blood cells and trigger the typical bouts of fever with chills. The name „malaria“ comes from Italian and means „bad air“; the disease was long blamed on the vapours of swamps, until the true cause was recognised. Malaria shaped the course of history: it hindered military campaigns, cost countless lives during the building of the Panama Canal and still makes wide tropical regions hard to live in. Every year hundreds of millions of people fall ill, above all in Africa, and hundreds of thousands die: most of them children under five. For a long time quinine from the bark of the cinchona tree was the only remedy. Today modern drugs, treated mosquito nets and first vaccines help in the fight against the disease, whose final eradication remains a great goal of global health.
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A parasite (Plasmodium)
It is neither bacterium nor virus, but a single-celled parasite.
💡 Did you know? It attacks the red blood cells.
The Anopheles mosquito
Only female mosquitoes bite and transmit the pathogen.
💡 Did you know? It is common above all in the tropics.
Bad air
Swamp vapours were once blamed.
💡 Did you know? The name comes from Italian.
Recurring bouts of fever
They often come at regular intervals.
💡 Did you know? They are accompanied by chills.
Quinine
It comes from the bark of the cinchona tree.
💡 Did you know? A bitter taste, familiar from „tonic water“.
Young children
Most victims are younger than five.
💡 Did you know? Sub-Saharan Africa is especially affected.
The mosquito net
Soaked with insecticide, it protects especially well.
💡 Did you know? Such nets have saved millions of lives.
Ronald Ross
The British doctor received the Nobel Prize for it.
💡 Did you know? This finally clarified the route of transmission.
The building of the Panama Canal
Only mosquito control allowed work to continue.
💡 Did you know? Yellow fever also raged there.
Yes
From 2021 the WHO first recommended a vaccine for children.
💡 Did you know? It is a milestone, but not yet perfect.
Africa
Most cases and deaths occur there.
💡 Did you know? The warm, humid climate favours the mosquitoes.
Sickle cell anaemia
Carriers of the gene less often fall severely ill.
💡 Did you know? An example of evolution under disease pressure.
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