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Coronavirus; animaux; tranmission;

Ixodes ricinus nymphe
News
2026.05.26
Three questions about ticks: How many species are there? What pathogens do they spread? What is the health risk?
  #1- How many species of ticks are there in the world, and how many in France? Ticks are arachnids (like spiders or scorpions) belonging to the subclass Acari...
ticksLymeencephalitis
Vaccination - Institut Pasteur
News
2026.04.27
institutional
Nearly 300 public figures speak out in support of vaccination: a life saved every eight seconds
  Read below the op-ed (in French) published in the French newspaper Le Parisien on April 26, 2026, on the occasion of World Vaccination Week. Toutes les huit...
Op-EdVaccination
Guillemette Masse-Ranson : la scientifique qui décloisonne la recherche vaccinale
Portrait
2026.03.30
Guillemette Masse-Ranson: the scientist breaking down barriers within vaccine research
  A childhood shaped by science and empathy Guillemette Masse-Ranson was born in northern France before moving to Greater Paris when she was five. She was...
Recherche vaccinale
Femelle d'Aedes aegypti, élevée au Vectopôle de l'Institut Pasteur de la Guyane. Le moustique Aedes aegypti est vecteur de la dengue, du chikungunya, de la fièvre jaune et de zika.
News
2026.05.05
Chikungunya, dengue, Zika – what are the risks in mainland France?
  In the twenty years since the tiger mosquito was first reported in mainland France in 2004, it has conquered four-fifths of the country. How has it been able...
Reconstitution 3D d'une colonie de choanoflagellés Choanoeca flexa imagée par FIB-SEM (Focused Ion Beam - Scanning Electron Microscopy). Ici la colonie est montrée en conformation “flagelles-dedans”.
News
2026.03.25
Evolutionary biology: what an aquatic microorganism can tell us about our distant origins
  Try this mental exercise for a moment: imagine what our world looked like 1.2 billion years ago. At that time, all land masses formed a single continent, the...
Virus de l'hépatite B (VHB) en microscopie électronique. L'hépatite B chronique peut être à l'origine de cancer du foie et de cirrhose. Virus enveloppé à ADN. Particules de Dane complètes, sphérules de 20 nanomètres de diamètre, et tubules ou filaments de
News
2026.02.12
Hepatitis
Hepatitis B: two major breakthroughs raise hopes of eradicating chronic illness
  Infection with hepatitis B virus (HBV) causes more than a million deaths each year, largely because of complications like cirrhosis and liver cancer. There...
hepatitis B
Institut Pasteur
News
2026.01.08
Research
Alzheimer's: Better Understanding a Key Receptor to Stop Early Symptoms
  Alzheimer's disease affects nearly 1.4 million people in France and remains one of the most feared diseases of old age. Among its first signs: disruption of...
Microscopie à fluorescence de cellules infectées par le virus SARS-CoV-2
News
2025.12.18
Epidemiological news
Winter viruses: viral families, common illnesses and at-risk populations
  Every winter, viruses affect millions of people in France, placing huge pressure on healthcare facilities. Given the diverse nature of these viruses and...
influenzarsvCOVID-19
Fiches maladies - Maladie du sommeil - Institut Pasteur
News
2025.09.22
Research
A new RNA tool is speeding up the fight against sleeping sickness
  Human African trypanosomiasis, commonly known as sleeping sickness, is characterized by symptoms ranging from severe fatigue and skin signs to sleep...
Sleeping sickness
Vidéo
2025.09.15
The plague in Madagascar
What if the plague had never disappeared? Antoine Brault, a researcher at the Institut Pasteur, explains how his team is tracking rats and fleas in Madagascar...

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