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Portrait | 2026.05.11
Cassandra Koh: One mosquito, billions of viruses – a daunting task
She spent her childhood on the island of Borneo, completed her PhD in Australia and arrived in Paris without speaking a word of French. Cassandra Koh, a virologist at the Institut Pasteur, has got mosquitoes under her skin – scientifically speaking.As a specialist in the mosquito virome, she is exploring largely uncharted territory, namely the billions of viruses hosted by these insects, with the...
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News | 2026.05.19
From the patient's bedside to the laboratory: the academic journey of Marie Robert
It all begins with a question asked at a patient's bedside. How do you tell apart two diseases that look alike, yet require radically different treatments?It is this question, born from clinical practice, that led Marie Robert from the corridors of Hôpital Bichat to the laboratories of Institut Pasteur. A academic journey that the physician-scientist shared with Baptiste Arnaud, doctoral student...
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Report | 2026.05.19
The invisible assassin
They weigh less than a milligram and are no more than a few millimeters long, yet they are single-handedly redrawing the map of infectious disease in France. Insects like mosquitoes and sandflies, and mites such as ticks, all spread infectious diseases that were once thought of as "exotic" because they could only be caught in far-flung destinations or were specifically associated with outdoor...
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Article | 2025.04.28
Lettre de l'Institut Pasteur - International
Find all the publication archives of La lettre de l'Institut Pasteur
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News | 2026.05.12
Andes virus on the MV Hondius cruise ship: what we know about this rare and potentially fatal hantavirus
Hantaviruses are viruses transmitted mainly by wild rodents, which cause severe syndromes in humans. In the context of the current outbreak involving the Andes virus on board the cruise ship MV Hondius, the Institut Pasteur (Paris) is at the forefront of the response. The National Reference Centre (CNR) for Hantaviruses is based at the Institut Pasteur, which receives samples from people...
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Fiche maladie | 2026.01.16
Marburg virus disease
Marburg virus disease is a rare hemorrhagic fever that is particularly severe for humans. The average case fatality rate is around 50%. The virus was named after the German town of Marburg, where the infectious agent was first identified in 1967 in imports of infected non-human primates from Uganda. Marburg virus is under constant global surveillance by the World Health Organization because of...
