STI Antigen Materials

Common STI antigens driving superior detection for worldwide health concerns.

Your Dependable Source for STI Antigen Products 


Microbix’s sexually transmitted diseases antigens products are purified and inactivated for infectivity, not antigenicity, to ensure utmost safety and satisfaction for STI testing end-users. 

The STI antigens panel includes Chlamydia trachomatis grade 2, herpes simplex 1 grade 2 and, genital herpes simplex virus 2, grade 2.

Setting the Gold Standard for Infectious Disease Diagnostic Standards


Decades of Diagnostics Excellence

For almost three decades, our infectious diseases antigens have been of the highest reliability and quality for diagnostic companies worldwide. 


Superior Antigen Standards

Our antigen products are also excellent positive quality controls for diagnostics assays. 


Tailored STI Antigen Products

Our STI antigen panel detects worldwide health concerns and is fit for any level of immunoassay you require. 

Download Our Full Product Catalogue 

News & Insights from Our Diagnostics Experts

  • Microbix Hosts Minister Nina Tangri to Open Capacity Expansions

    Microbix Biosystems Inc., a life sciences innovator, manufacturer, and exporter, announces its hosting of Associate Minister of Small Business of Ontario, the Honourable Nina Tangri, to celebrate the opening of two expansions to its medical devices manufacturing capacity at one of its three adjacent Mississauga sites.

Speak to an STI Antigen Customer Service Representative

Let our knowledgeable antigen experts help you secure your STI antigen controls supply today.








    Frequently Asked Questions

    What STIs are covered by your antigen materials and products, and do you offer a comprehensive panel of antigens for different infections?

    Sexually transmitted infections covered by our STI antigen products include chlamydia trachomatis Grade 2, herpes simplex 1 Grade 2 and, herpes simplex 2, Grade 2. 


    Do you offer customizable options for antigen concentrations or formulations to meet specific assay needs?

    Yes, for further information please contact customer service. 


    What quality control measures are in place while manufacturing your STI antigen products to ensure accuracy and consistency?

    Our robust quality management system and our products are manufactured under ISO 9001:2015.  


    What is the shelf life of your STI antigen products?

    Two years shelf life from shipping date.

    Product NameEL Catalogue NumberProduct Description
    Chlamydophila (Chlamydia) trachomatis, Grade 2EL-12-02Description: C. trachomatis grade 2 antigen contains a high concentration of elementary bodies and chlamydial components in PBS. The preparation contains no preservative or detergent. Residual host cellular material is present.
    Strain: C.trachomatis LGV type II strain 434.
    Buffer: Phosphate buffered saline pH 7.2
    Herpes Simplex 1, Grade 2EL-02-02Description: HSV-1 Grade 2 antigen contains a high concentration of virus particles and components in tissue culture medium containing a low concentration of bovine serum. The preparation contains no preservative or detergent. Some residual host cellular material is present.
    Strain: MacIntyre
    Buffer: Tissue culture medium
    Herpes Simplex 2, Grade 2EL-23-02Description: HSV-2 Grade 2 antigen contains a high concentration of virus particles and components in tissue culture medium containing a low concentration of bovine serum. The preparation contains no preservative or detergent. Some residual host cellular material is present.
    Strain: MS
    Buffer: Tissue culture medium