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Portrait Spyros Lytras
News
2026.07.01
Vaccins
Predicting viral evolution with AI
  This article is part of a series presenting the research projects of the scientists selected in 2025 by the Institut Pasteur to launch their 5-year research...
vaccines
Rayon alimentaire de supermarché avec des produits emballés
News
2026.06.29
microbiote
Three questions about ultra-processed foods: definition, effects on the microbiota, and impact on health
  #1-What is defined as ultra-processed food? We should start by making the important distinction that not all industrially produced foods are ultra-processed...
microbiote intestinalmaladie de CrohnDiabètecancertroubles dépressifs
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
Expérience en laboratoire
News
2026.04.24
Vaccins
A guide to the different types of vaccine
  Live attenuated vaccines Principle: a weakened or very similar version of the virus or bacteria is used. This weakened microbe is no longer capable of...
vaccinARN messagerprotéinevecteur
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...
Coupe transversale d'un Ileum-organoid-on-chip humain infecté par le SARS-CoV-2 pendant 48 heures.
News
2026.03.12
Epidemiological news
COVID-19: a new strategy under investigation to tackle all variants
  Since its emergence, the SARS-CoV-2 virus has not stopped evolving. Each new variant accumulates mutations in its spike protein, the 'key' enabling it to...
COVID-19
Où en est la recherche sur le cancer féminin ?
Vidéo
2026.03.09
What is the current status of research into female cancers?
What is the current state of research into female cancers? That's the question we were asked on the street. Aurélie Chiche, a researcher at the Institut...
Fabriquer des neurones
Vidéo
2026.03.05
Making neurons
She creates neurons in the laboratory to understand Alzheimer's disease. Veranika Panasenkava, a postdoctoral researcher at the Institut Pasteur, creates brain...
Bactérie Salmonella enterica en microscopie à balayage.
News
2026.02.26
salmonella
Foodborne infection: environmental Salmonella from the Americas found to be resistant to antibiotics in Europe and Asia
  Salmonella enterica serovar Panama, one of the most common causative agents of non-typhoidal Salmonella disease in France's overseas territories, is...

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