# STD

> Source: https://www.cnpairbio.com/immunoassay-diagnostics/std/
> Author: CNPAIR
> Published: 2025-10-23
> Updated: 2026-08-17

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[Sexually Transmitted Diseases​](https://www.cnpairbio.com/immunoassay-diagnostics/)

Sexually transmitted diseases (STDs) comprise a group of infectious diseases primarily transmitted through sexual contact. They are caused by a diverse range of bacterial, viral, and parasitic pathogens, leading to various clinical manifestations. Committed to enhancing blood safety and disease control, Cnpair has seen its five STD detection raw materials earn a recommendation in Hangzhou.

 ![antibody antigen](https://www.cnpairbio.com/wp-content/uploads/elementor/thumbs/antibody-antigen-cnpair-rilddxkp8rmnhlu0ay8sxtwa8xxw4ao97z8bvqtn28.png)

[IMMUNOASSAY](https://www.cnpairbio.com/immunoassay-diagnostics/)

# Sexually Transmitted Diseases

## [Human Immunodeficiency Virus](https://www.cnpairbio.com/immunoassay-diagnostics/std/human-immunodeficiency-virus/)

Human Immunodeficiency Virus (HIV) is the causative agent of AIDS and primarily attacks the immune system. HIV testing is essential for early diagnosis, blood screening, treatment monitoring, and infection control.

- HIV
- HIV-P24

 [→](https://www.cnpairbio.com/immunoassay-diagnostics/std/human-immunodeficiency-virus/)

## [Hepatitis](https://www.cnpairbio.com/immunoassay-diagnostics/std/hepatitis-b-c/)

Hepatitis B (HBV) and Hepatitis C (HCV) are essential for the screening, diagnosis, and clinical management of viral hepatitis. HBsAg, HBsAb, HBeAg, HBeAb, HBcAb, Pre-S1 together with HCV markers provides comprehensive support for infection assessment and disease monitoring.

- HBcAb
- HBsAg
- HBeAg
- HBV Pre-S1Ag
- HCV

 [→](https://www.cnpairbio.com/immunoassay-diagnostics/std/hepatitis-b-c/)

## [Treponema Pallidum/ Syphilis](https://www.cnpairbio.com/immunoassay-diagnostics/std/treponema-pallidum-syphilis/)

Syphilis is a chronic sexually transmitted infectious disease caused by the spirochete Treponema pallidum.Current laboratory methods mainly include treponemal-specific antibody tests and non-treponemal antibody tests.

- TP 15KD+17KD+47KD
- TP 15KD antigen
- TP 17KD antigen
- TP 47KD antigen

 [→](https://www.cnpairbio.com/immunoassay-diagnostics/std/treponema-pallidum-syphilis/)

## [Human T-cell Lymphotropic Virus](https://www.cnpairbio.com/immunoassay-diagnostics/std/human-t-cell-lymphotropic-virus/)

Human T-cell Lymphotropic Virus (HTLV) is associated with several hematological and neurological diseases. HTLV testing is primarily used for blood donor screening, clinical diagnosis, and epidemiological surveillance.

- HTLV gp21

 [→](https://www.cnpairbio.com/immunoassay-diagnostics/std/human-t-cell-lymphotropic-virus/)

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