Neomed Labs Pacific Biomarkers PAIRimmune are now Nexelis


With over 15 years of experience in vaccine testing, cutting-edge technology platforms and state-of-the-art laboratories, Nexelis is a preclinical and clinical immunology partner of choice for the development, qualification and validation of immunological assays, in single and multiplex formats, and sample testing to support vaccine development.

We provide support for preclinical and clinical development of vaccines and immunotherapies in animals and humans for all stages, from candidate selection to post-registration.

In addition, we have the expertise to support non-inferiority and epidemiology studies to accelerate regulatory approvals.

We have a wide range of expertise across all types of vaccines:

  • Live-attenuated vaccines
  • Inactivated vaccines
  • Subunit, recombinant, polysaccharide, and conjugate vaccines
  • Toxoid vaccines
  • VLP-based vaccines
  • DNA & RNA vaccines
  • Pseudoparticles
  • Therapeutic vaccines

Viral and Bacterial Pathogens

Our expertise covers a multitude of viral and bacterial pathogens:


Seasonal & Pandemic Influenza, Haemophilus influenzae, Respiratory Syncytial virus, Neisseria meningitidis, Streptococcus pneumoniae, Bordetella pertussis, Corynebacterium diphtheriae, Rhinovirus


Escherichia coli, Shigella spp., Clostridium difficile, Rotavirus, Salmonella Typhimurium


Chikungunya, Zika, Dengue, Malaria, Yellow Fever

Sexually Transmitted

Cytomegalovirus, Herpes, Hepatitis B

Other Infectious Diseases

Human papilloma virus, Adenovirus, Adeno-associated virus (AAV),Measles, Mumps, Rubella, Varicella Zoster, Tetanus, Staphylococcus aureus, Streptococcus agalactiae (GBS), lymphocytic choriomeningitis mammarenavirus (LCMV), Vaccinia

Contact Us

Nexelis can help you in the advancement of your project.
Contact us now to discuss it further with our accessible and specialized team.

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