Why celebrate mosquitoes on August 20?

Why celebrate mosquitoes on August 20?

Observed annually on August 20, International Mosquito Day commemorates the discovery of Sir Ronald Ross. This British doctor noted in 1897 that malaria is transmitted by mosquito bites.

Browse these images to learn more about these insects annoying and always bloodthirsty!

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Sir Ronald Ross (1857-1932)

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Discovery of the parasite

This page is taken from the notebook where Dr. Ross recorded his discovery. His observations made it possible to deduce that malaria is transmitted by the Anopheles mosquito. They are also the basis of all research carried out on the disease.

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The “Mosquito Day Lunch”

The ‘Mosquito Day Luncheon’, August 1931, held at the Ross Institute and Hospital for Tropical Diseases, in the Borough of Putney, London. Scientists then celebrate the discovery of the transmission of malaria by the mosquito.

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India (from 1881 to 1899)

His main research was conducted in India. In 1889, he established the role of mosquitoes as incubators of the avian malaria parasite. Shortly after, he finds that the parasite survives in the salivary glands of the mosquito and is released at the time of the bite.

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Giovanni Battista Grassi (from 1854 to 1925)

In 1890, the Italian physicist, with the help of his colleague Raimondo Filetti, named two of the malaria parasites affecting humans: plasmodium vivax and plasmodium malariae. He also discovers that only the female mosquito has the ability to transmit the disease.

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Research and development

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Cycle of life

The mosquito follows a four-phase cycle, from egg to larva, then to pupa and finally to adult. Depending on the environment, this cycle lasts between four days and a month.

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Mosquitoes and malaria

The disease is most often transmitted by the female Anopheles mosquito. This mosquito, the main vector of malaria, is extremely widespread and is found in both China and Egypt.

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“The most dangerous animal in the world”

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Temples of the Egyptians

The British biotechnology company informs us that each year its bite spreads diseases and parasites that kill up to a million people and seriously infect several millions more.

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Fight dengue fever

Mosquitoes bred in captivity and carrying Wolbachia bacteria helped protect an entire village from a dengue epidemic, reports the BBC.

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Dengue-free environment

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Discovery of quinine

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Mosquito-borne diseases

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Why do mosquitoes bite us?

Mosquitoes are able to detect carbon dioxide emanating from the human body over 22 meters away. The smell of skin, and more particularly that of sweat, whets their appetites.

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The mosquito in popular culture

An image taken from the cartoon by Winsor McCay, a pioneering 1912 production: “How a Mosquito Operates” (“how a mosquito operates”). This 6 minute short film shows us a giant mosquito tormenting a sleeping man.

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Le de Havilland DH.98 Mosquito

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mosquito nets

The use of the mosquito net dates back to prehistoric times. Modern mosquito nets are made of cotton, polypropylene and nylon, among other components. A mesh of 1.2 mm wide is sufficient to retain all sizes of mosquitoes.

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world malaria day

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