Best Infectious Diseases Companies in France
The 66 best Infectious Diseases companies in France in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Abivax.
Our analysis of 50 Infectious Diseases companies
$7.1b in tracked funding; 59% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Infectious Diseases companies in France
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Abivax Developer of therapeutics for chronic inflammatory diseases | $320M | 40 mo ago | 26 | 2014 | — | 616 patents Small-molecule heterocyclic therapeutics for RNA viruses and inflammatory diseases | 1 launch |
| 2 | Valneva Developer of prophylactic vaccines for infectious diseases | $144M | 44 mo ago | 719 | 1999 | Thomas Lingelbach President & CEO | 195 patents Viral vaccine production and subunit vaccine formulation for chikungunya and respiratory pathogens | — |
| 3 | TheraVectys Developer of vaccines to treat infectious diseases and cancer caused by HTLV-1 infection | $62M | 64 mo ago | 19 | 2005 | Ye Tian CEO | 176 patents Lentiviral vector platforms for viral antigen vaccines and gene‑therapy immunotherapies | — |
| 4 | Antabio Early-stage drug discovery company developing compounds for multi-drug resistant bacterial infections | $42M | 30 mo ago | 14 | 2009 | — | — | 1 job opening |
| 5 | Genticel Developer of immunotherapies to treat infectious diseases and cervical cancer using CyaA vector technology | $41M | 158 mo ago | 32 | 2001 | — | 50 patents CyaA-based chimeric protein vaccine vectors for therapeutic and prophylactic immune responses | — |
| 6 | Osivax Developer of vaccines against constantly mutating pathogens 32Growth top 28%Funding top 37%Moat top 37%Patents top 40% All 10 signals ▾Growthtop 28% Fundingtop 37% Moattop 37% Patentstop 40% Innovationtop 49% Globalbottom 45% Techbottom 37% Marketbottom 33% Newsbottom 21% Fin. healthbottom 15% Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo Funding: Raised $31.8M across 8 rounds · 8 rounds over 9 yrs (0.9/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $32M | 15 mo ago | 40 | 2017 | — | 16 patents mRNA and protein-based vaccine formulation and immunogenic composition development | — |
| 7 | Da Volterra Developer of products to prevent bacterial infections triggered by antibiotic therapies | $24M | 105 mo ago | 16 | 2000 | — | 164 patents Engineered probiotic yeast and oral adsorbent formulations for gut‑targeted antibiotic resistance mitigation | — |
| 8 | Pherecydes Pharma French, early-stage biotech developing bacteriophage treatments against multi-drug resistant bacterial… | $16M | 53 mo ago | 27 | 2006 | — | 100 patents Bacteriophage-based antimicrobial therapies and antibacterial composition development | — |
| 9 | LinKinVax Developer of vaccines for the treatment of infectious diseases | $13M | 41 mo ago | 15 | 2020 | Remi Gaston-Dreyfus Co-Founder | — | — |
| 10 | Nautilus Biotech Developing therapeutic proteins with superior pharmacological profiles. | $11M | 229 mo ago | — | 1999 | Manuel Vega CEO | 29 patents Oral protease‑resistant peptide therapeutics and bioassay methods for cellular agents | — |
| 11 | PathoQuest Provider of next-generation sequencing for microbiology testing | $10M | 55 mo ago | 48 | 2010 | — | 68 patents Clinical diagnostics for microbial viability and anellovirus-based immune suppression biomarkers | — |
| 12 | Mutabilis Developer of small molecule therapeutics for infectious diseases | $10M | 77 mo ago | — | 2001 | Stephane Huguet CEO | 191 patents Novel heterocyclic antibacterial agents for treating bacterial infections | — |
| 13 | InnaVirvax Vaccines for HIV and other infectious diseases | $9M | 131 mo ago | — | 2008 | Joel Crouzet CEO & Co-Founder | 51 patents HIV-1 vaccine peptide‑carrier conjugates for immunogenicity and diagnostics | — |
| 14 | Fabentech Developing polyclonal antibodies to treat infectious diseases such as avian influenza, ebola etc. | $7M | 42 mo ago | 54 | 2009 | — | 6 patents Recombinant antibody production for passive immunotherapy against H5N1 influenza | — |
| 15 | Vaxinano Prophylactic and therapeutic vaccines for infectious diseases, for human and animal health markets | $6M | 19 mo ago | — | 2016 | — | 20 patents Nanoparticle-based delivery of whole inactivated bacteria for vaccine formulations | — |
| 16 | Eydo Developer of nanomedicine technologies for drug-resistant bacterial infections | $6M | 120 mo ago | 17 | 2011 | Elisabeth Rossines Founder | — | — |
| 17 | Signia Therapeutics Re-purposed formulations for influenza infections | $5M | 48 mo ago | 8 | 2017 | Olivier Terrier Co-Founder | 15 patents Repurposed diltiazem-based antiviral combinations for SARS‑CoV‑2 treatment | — |
| 18 | Meletios Therapeutics Developer of therapeutics for the treatment of viral infections | $5M | 48 mo ago | 7 | 2020 | Catherine Martre CEO | 15 patents Antiviral small‑molecule drugs and benzene‑derived chemical synthesis processes. | — |
| 19 | Nosopharm Anti-infective drug discovery targeting the bacterial multidrug resistance to antibiotics | $4M | 100 mo ago | 7 | 2009 | — | 36 patents Design and synthesis of peptide-based antibiotics and bioactive peptide therapeutics. | — |
| 20 | Biofilm Control French technology company providing biofilm detection services based on magnetizable micro-beads | $3M | 129 mo ago | 13 | 2004 | Thierry Bernardi Founder & CEO | 82 patents Biofilm detection, monitoring, classification, and inhibition technologies for microbial control | — |
| 21 | Anaconda Pharma Develops treatments against infections caused by human papillomavirus. | $3M | — | 7 | 2003 | Marta Blumenfeld Owner | 42 patents Patents concentrated in chemistry & materials | — |
| 22 | AmiKana.BioLogics Developing yeast cell-based tools to evaluate drug resistance primarily for viral infections | $3M | 136 mo ago | — | 2007 | Pablo Gluschankof Co-Founder & CEO | 4 patents Patents concentrated in chemistry & materials | — |
| 23 | Biophytis Developer of drugs for neuromuscular and age-related diseases 45Patents top 32%Moat top 35%Funding top 37%Innovation top 38% All 10 signals ▾Patentstop 32% Moattop 35% Fundingtop 37% Innovationtop 38% Globaltop 45% Partnerstop 45% Newstop 46% Growthbottom 47% Techbottom 43% Marketbottom 42% Patents: 175 patents matched (strict assignee match) · 62 filings since 2022 vs 105 in 2017-21 Moat: Editorial + unicorn rating 5/10 · IP moat: 175 patents rank vs industry peers · Fliar Intelligence Index 45/100 | $3M | 3 mo ago | 24 | 2006 | — | 175 patents Phytoecdysteroid-based therapeutics for muscle atrophy, SMA, obesity, viral respiratory, ocular diseases | 1 expansion |
| 24 | BforCure Developer of a PCR device for pathogen detection | $2M | 36 mo ago | 55 | 2018 | — | 34 patents Integrated microwave sample‑lysis and multiplex real‑time PCR diagnostic platforms | — |
| 25 | Olgram Developer of drugs against antibiotic-resistant bacteria | $2M | 24 mo ago | 6 | 2019 | — | 2 patents Antibacterial agents targeting dormant persister bacterial cells | — |
| 26 | C4Diagnostics Provider of technology for detection and count of microorganisms | $2M | 88 mo ago | 31 | 2017 | Sam Dukan Co-Founder & Co-CEO | 4 patents Rapid antimicrobial susceptibility testing and nucleic‑acid based microbial detection. | — |
| 27 | En Carta Developer of molecular diagnostic tests for infectious diseases | $2M | 25 mo ago | 3 | 2020 | Margot Karlikow Co-Founder | — | 1 partnership |
| 28 | SPARTHA Medical Developer of antimicrobial coatings for medical and industrial applications. | $2M | 52 mo ago | 21 | 2019 | — | — | — |
| 29 | Vaiomer Provider of microbiome-based biomarker identification services | $555K | 89 mo ago | 11 | 2011 | Rémy Burcelin Co-founder & CSO | 28 patents Therapeutic polydextrose formulations and factor‑Xa‑based glycemic agents; microbiome‑driven hepatic fibrosis diagnostics | — |
| 30 | DIAFIR Provider of POC medical diagnostics tool | $379K | 102 mo ago | 6 | 2011 | Hugues Tariel Co-Founder & CEO | 22 patents Evanescent-wave fiber-optic sensor heads and wave-generation devices for optical sensing | — |
| 31 | Adjuvatis Developer of biodegradable vaccine adjuvants called i-Particles. | $306K | 103 mo ago | 6 | 2013 | Charlotte Primard CEO | — | — |
Top 12 Infectious Diseases companies in France
#1
Public · Romainville, Ile de France · founded 2006 · 24 employees$2.6Mraised▾
Developer of drugs for neuromuscular and age-related diseases. The company's lead drug candidate, Sarconeos (BIO101), is an orally administered small molecule in development for the treatment of neuromuscular diseases, including sarcopenia and DMD. Other drug candidate, Macuneos (BIO201) for the treatment of retinal diseases, including dry AMD and Stargardt disease.
- Mar 2026Post IPO$1.6M
- Jun 2021Post IPO$38.2M
- Jul 2020Post IPO$6.9M
- Oct 2017Post IPO$12.3M
#2
Series B · Lyon, Auvergne Rhone Alpes · founded 2017 · 40 employees$31.8Mraised▾
Developer of vaccines against constantly mutating pathogens. The company leverages oligoDOM a novel proprietary nanoparticles technology specifically designed to trigger superior T-cell responses. The company's lead candidate is OVX836 against influenza and coronavirus.
- Mar 2025Series B$10.5M
- Dec 2023Grant (prize money)—
- Mar 2023Grant (prize money)$1M
- Jun 2022Grant (prize money)$10.5M
#3
Public · Paris, Ile de France · founded 2014 · 26 employees$319.6Mraised▾
Developer of therapeutics for chronic inflammatory diseases. The lead drug candidate obefazimod is an oral, first-and-only small molecule with a novel mechanism of action that demonstrates enhanced expression of miR-124, which plays a critical role in the regulation of the inflammatory response. It is also develops products for Ulcerative Colitis, crohn's disease, and more.
- Feb 2023Post IPO$138.6M
- Sep 2022Post IPO$49.1M
- Jul 2021Post IPO$96.6M
- May 2020Grant (prize money)$21.7M
#4
Series A · Lille, Hauts de France · founded 2016$6.5Mraised▾
Vaxinano is engaged in the development of prophylactic and therapeutic vaccines for infectious diseases, for human and animal health markets. The company is using nanoparticles made of starch and lipids (nanovectors) to develop vaccines. The company's experimental vaccines target toxoplasmosis and tuberculosis and developing anti-bacterial, antiviral and antiparasitic vaccines. The company strategy is to develop vaccines till the proof-of-concept and license to pharma companies for further development. The company also offers contract research services for vaccine research & development including fabrication & characterization of nanoparticles, formulations with active components, optimisation of formulations.
- Oct 2024Series A$6.5M
- Jun 2020Grant (prize money)—
#5
Series B · Labege, Occitanie · founded 2009 · 14 employees$41.6Mraised▾
Antabio is a French early-stage drug discovery company developing compounds for multi-drug resistant bacterial infections. The 2 lead programs are Metallo Beta-Lactamases inhibitors against E. coli NDM-1 strains and Pseudomonas Biofilms inhibitors in chronic respiratory infections. In 2013 and 2015 received funding from Wellcome Trust for EUR 4.7M and EUR 4 M respectively. The first candidate is a novel, safe and efficacious inhibitor of bacterial MBLs. It will be co-administered with a carbapenem to treat hospitalized patients suffering from complicated Gram-negative infections. The second candidate is an inhaled drug which can be used as an adjunct to existing antibiotic therapy and which will reduce the frequency and severity of Pseudomonas exacerbations by targeting both the virulence and persistence of biofilm-adapted infections.
- Dec 2023Series B$26.9M
- Jan 2020Grant (prize money)$4.4M
- Jul 2018Series A$6.1M
- Oct 2017Series A$8.6M
#6
Public · Lyon, Auvergne Rhone Alpes · founded 1999 · 719 employees$143.6Mraised▾
Developer of prophylactic vaccines for infectious diseases. The company's lead candidate is VLA1553 is a live-attenuated, single dose vaccine targeting the chikungunya virus. Other products includes VLA15 for Lyme Disease, VLA84 for Clostridium difficile, and VLA1601 for zika virus
- Oct 2022Post IPO$102M
- Jun 2022Post IPO$94.9M
- Feb 2022Grant (prize money)—
- Nov 2021Post IPO—
#7
Series D · Paris, Ile de France · founded 2005 · 19 employees$62.1Mraised▾
Developer of vaccines to treat infectious diseases and cancer caused by HTLV-1 infection. By using the lentiviral immunotherapy platform the company has developed therapeutic vaccines for HIV, Hepatitis-B, Tuberculosis, and Adult T-cell Lymphoma-Leukaemia (ATL) induced by Human T-Lymphotropic Virus Type I (HTLV-1) infection.
- Feb 2021Series D$20M
- Apr 2017Series C$5.8M
- Jan 2015Grant (prize money)$2.1M
- Oct 2013Series C$19.9M
#8
Seed · Brehand, Brittany · founded 2019 · 6 employees$1.8Mraised▾
Developer of drugs against antibiotic-resistant bacteria. The lead drug candidate NAIAP Ol20-01 is able to eliminate persistent bacteria. Another candidate MIAMI-OL20-11 a new molecule discovered in algae has the property of boosting the immune system which helps in preventing nosocomial diseases. The company has also developed a proprietary screening platform to test and modify molecules.
- Jun 2024Grant (prize money)$2.8M
- Mar 2021Seed$1.8M
#9
Series A · Paris, Ile de France · founded 2020 · 15 employees$12.7Mraised▾
Developer of protein-based vaccine platform designed for multiple pathogens. The company's vaccines are built around a humanized monoclonal antibody, which is merged with regions of pathogens of interest, targeting the CD40 molecule expressed by dendritic cells, enabling healthcare providers to have access to vaccines for treating diseases such as HIV, SARS-CoV-2 variants, and human papillomavirus-related cancers.
#10
Public · Romainville, Ile de France · founded 2006 · 27 employees$16.4Mraised▾
Pherecydes Pharma is a French, early-stage biotech developing bacteriophage treatments against multi-drug resistant bacterial infections. The main bacteria they are targeting include E.coli and P. aeruginosa which are common, and fatal, infections in burn victims. Their phage therapy clinical trial, phase I/II for burn victims, called PHAGOBURN was funded by the European Govt. (EUR 3.85 M). in Jun.2015, they launched the project PNEUMOPHAGE, targeted at developing phage therapies for acute respiratory infections/ ventilator-acquired pneumonia caused by P. aeruginosa. Since Jan.2015, they are part of the PHOSA project aimed at developing phage treatments for Diabetic Foot Ulcers and Bone Joint infections, caused by staphylococci species.
- Dec 2021Grant (prize money)$56.6K
- Nov 2018Grant (prize money)$2.8M
- Jan 2018Series B$10.6M
- Mar 2015Series B$3.1M
#11
Seed · Paris, Ile de France · founded 2020 · 3 employees$1.6Mraised▾
Developer of molecular diagnostic tests for infectious diseases. It offers PCR-based diagnostic assays that detect attomolar concentrations of pathogens in samples like saliva, nose swabs or interstitial fluid. It offers diagnostics kit for detection of the bacterial carrier of Lyme disease, SARS-CoV-2, Zika and Chikungunya Virus.
- May 2024Seed$1.6M
#12
Series A · Lyon, Auvergne Rhone Alpes · founded 2009 · 54 employees$6.8Mraised▾
Fab’entech develops and commercializes a range of innovative passive immunotherapeutic solutions based on specific polyclonal immunoglobulins [F(ab’)₂] in the field of emerging infectious diseases, as well as for certain drug intoxications. Its lead candidate FBF-001 (Phase1/2) consists o fragments of specific equine polyclonal immunoglobulins directed against H5N1 avian influenza virus. Other polyclonal antibodies in development are directed against Avian influenza viruses type H7, Ebola, Crimean-Congo Hemorrhagic Fever (CCHF), MERS and others.
- Dec 2022Grant (prize money)$5.1M
- Jun 2021Grant (prize money)$8.4M
- Nov 2014Grant (prize money)—
- Jun 2014Series A$6.8M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Infectious Diseases coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Diagnostics is moving in France
A read on the academic research around Diagnostics — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,113 France-affiliated papers.
- Inserm246
- Centre National de la Recherche Scientifique172
- Assistance Publique – Hôpitaux de Paris104
- Institut Gustave Roussy75
- Institut de Recherche pour le Développement63
- Liquid biopsy11→30
- Cancer5→13
- Biomarker2→8
- Circulating tumor cell4→9
- Breast cancer2→7
- Liquid biopsy31→69
- Biopsy9→32
- Biomarker5→23
- Internal medicine9→27
- Point-of-care testing27→41
- Point-of-care testing13→25
- Liquid biopsy18→28
- Biopsy5→15
- Diagnostic test7→14
- Intensive care medicine2→9
Where diagnostics is researched across France
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing diagnostics patents in France
France diagnostics patent filing is steady — 21 filings from 16 assignees (2016–2025), led by Arteion, Alain Rousseau TECH & Innovation, Genewave; annual filings 1→1.
- Arteion12
- Alain Rousseau TECH & Innovation7
- Genewave3
- Floating Genes3
- Podvin Jean-marie3
- Artigue MARC2
- Marcy YANN2
- Martinelli Lucio2