Saliva-based Screening Market Growth Accelerated by Non-invasive Testing Trends, Reports Persistence Market Research

The saliva-based screening market has emerged as a transformative segment within the broader diagnostics and infectious disease industry. Unlike traditional serum or nasopharyngeal testing methods, saliva-based screening offers a non-invasive, cost-effective, and user-friendly alternative. The global adoption of saliva tests has accelerated due to the rising prevalence of infectious and chronic diseases, increasing awareness of early diagnostics, and the growing demand for at-home self-testing kits. Saliva, as a diagnostic medium, offers precise detection of biomarkers, proteins, and genetic components, making it indispensable for both clinical and research applications. The accessibility and convenience of saliva testing are further fueling its acceptance in hospitals, diagnostic laboratories, and home healthcare settings worldwide.

The market statistics indicate robust growth trends, with the global revenue from saliva-based screening reaching US$ 320.6 million in 2022 and projected to surge to US$ 738.5 million by 2033, reflecting a CAGR of 7.9% over the forecast period. Saliva-based detection kits are expected to dominate the market, holding a 60.2% share in 2023, while hospitals and clinics remain the leading end-users with approximately 49.6% of the market share. North America, particularly the United States, is the foremost regional market, driven by technological advancements in self-testing kits and widespread adoption of home-based diagnostic solutions. This growth is further supported by favorable healthcare infrastructure and regulatory approvals that enhance the accessibility and reliability of saliva-based tests.

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Key Highlights from the Report

• The global saliva-based screening market is projected to reach US$ 738.5 million by 2033.
• Saliva-based detection kits are expected to dominate the market with a 60.2% share in 2023.
• The diagnostics segment accounts for 77.5% of total revenue due to increasing prevalence of infectious diseases.
• Hospitals and clinics are the leading end-users, holding nearly 49.6% of the market share.
• North America is the largest regional market, driven by technological adoption and self-testing kits.
• Infection analysis/detection (non-COVID) is the most lucrative application segment, representing 61.6% of global sales.

Market Segmentation

The saliva-based screening market can be segmented by product type, end-user, and application. Product types primarily include saliva-based detection kits, collection devices, and diagnostic testing solutions. Among these, detection kits are the leading segment, driven by high demand for COVID-19 rapid detection and other infectious disease monitoring solutions. Collection devices also play a critical role, particularly in home-testing kits, as they facilitate safe and accurate sample acquisition without specialized training.

End-users comprise hospitals, diagnostic laboratories, research institutes, and home healthcare users. Hospitals and clinics dominate due to their large-scale patient throughput and integration of advanced diagnostics into routine care. Diagnostic laboratories contribute significantly, especially in urban regions, where the demand for rapid testing and confirmatory diagnostics is higher. Home healthcare and self-testing kits are gaining traction, particularly in regions with high consumer awareness, as they provide convenience, reduce cross-infection risks, and minimize reliance on centralized healthcare facilities.

Application-based segmentation includes infectious disease detection, genetic testing, oral health monitoring, drug testing, and chronic disease management. The infectious disease segment leads the market, fueled by the need for early detection of viral and bacterial infections, such as COVID-19, influenza, and HIV. Genetic testing applications are expanding with increasing adoption of personalized medicine, while oral and systemic disease monitoring continues to gain recognition due to the presence of specific salivary biomarkers.

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Regional Insights

North America dominates the global saliva-based screening market, accounting for approximately 28.9% of the market in 2023. The U.S. is at the forefront due to the proliferation of self-testing kits, regulatory approvals for rapid diagnostic solutions, and widespread adoption of advanced healthcare technologies. Urban and rural populations alike are benefitting from the accessibility of home-based saliva tests, which support early disease detection and monitoring.

Europe is another key market, with Germany emerging as a significant contributor, holding nearly 10% of the global market share in 2023. Early diagnosis, particularly for high-mortality variants, and regulatory support from the European Medicines Agency (EMA) have enabled substantial adoption of saliva-based screening kits. Other European countries are also gradually increasing market penetration due to heightened public health awareness and growing investment in innovative diagnostics.

Asia-Pacific is witnessing rapid growth, led by India, which is expected to achieve a CAGR of 8.5% from 2023 to 2033. Government initiatives, non-profit organization awareness campaigns, and rising adoption of self-testing kits are driving this surge. Other regional markets, including China and Southeast Asia, are similarly investing in saliva-based diagnostics to expand public health infrastructure and improve early disease detection, particularly in rural and underserved areas.

Market Drivers

The primary drivers of the saliva-based screening market include technological innovation, the non-invasive nature of saliva collection, and rising awareness of early disease detection. Recent innovations in PCR and rapid antigen kits have allowed manufacturers to deliver highly accurate, quick, and cost-effective solutions. The COVID-19 pandemic catalyzed the adoption of saliva testing as a safer alternative to nasal swabs, boosting market growth. Moreover, the ease of saliva collection in the presence of the patient ensures sample integrity, eliminates the need for trained phlebotomists, and enables large-scale screening programs. The growing demand for self-testing kits in both developed and emerging markets, combined with ongoing research into salivary biomarkers for systemic and oral diseases, continues to strengthen market expansion.

Market Restraints

Despite its advantages, the saliva-based screening market faces several restraints. The dominance of traditional specimen types, such as blood and nasopharyngeal swabs, continues to challenge adoption. Additionally, the market is impacted by a lack of standardized procedures, inconsistent laboratory networks, and the distribution of low-quality or substandard testing kits. Limited technical expertise to administer and interpret tests further impedes growth in certain regions. These factors collectively restrict the overall market potential, particularly in emerging economies where healthcare infrastructure and awareness are less developed.

Market Opportunities

The saliva-based screening market presents significant growth opportunities, particularly in home healthcare, infectious disease monitoring, and personalized medicine. Increasing investments in research and development are enabling the introduction of innovative, multi-target saliva detection kits capable of identifying genetic disorders, chronic diseases, and infectious pathogens. Expanding public awareness campaigns and government initiatives in emerging markets provide additional avenues for market penetration. Furthermore, technological advancements, such as high-throughput testing platforms and automated saliva sample analysis, are expected to enhance operational efficiency and reliability, creating profitable prospects for market participants.

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Company Insights

Key players operating in the saliva-based screening market include:

• ThermoFisher Scientific Inc.
• Hologic
• Qiagen
• Zymo Research Corporation
• DNA Genotek Inc.
• Invitek Molecular GmbH
• Salimetrics, LLC.
• BioChain Institute Inc.
• Mawi DNA Technologies LLC
• Cell Projects Ltd.
• Kyodo International, Inc.
• Spectrum Solutions
• NEOGEN Corporation
• Xiamen Zeesan Biotech Co., Ltd.
• Sedia Biosciences Corporation
• Biosynex SA
• Chembio Diagnostics, Inc.
• Creative Diagnostics
• OraSure Technologies

Key Segments Covered in Saliva Based Screening Industry Research

Product:

Saliva collection kits/devices
Saliva nucleic acid purification kits
Saliva base detection kits
PCR based
Rapid kits

Purpose:

Research use only
Diagnostics

Application:

Infection analysis/detection
Genomic analysis
Proteomics
Pharmacogenomics
Liquid biopsy

End User:

Hospitals & Clinics
Diagnostic laboratories
Academic & research institutes
Biopharmaceuticals & CRO's

Region:

North America
Latin America
Europe
South Asia
East Asia
Oceania
Middle East and Africa

Recent Developments:

In January 2020, Salimetrics launched a novel salivary human total immunoglobulin G (IgG) ELISA kit to support multidisciplinary research in serology.

In July 2021, Hologic, Inc. received CE Mark approval for the use of saliva samples with its Aptima® SARS-CoV-2 assay in Europe, enabling fully automated molecular diagnostic testing.

These developments underscore the commitment of industry leaders to innovate and expand the applications of saliva-based diagnostics globally.

Conclusion

The saliva-based screening market is poised for substantial growth over the next decade, driven by technological advancements, non-invasive testing advantages, and increasing awareness of early disease detection. Saliva-based detection kits continue to dominate the market, supported by hospitals, diagnostic laboratories, and the growing adoption of home-testing solutions. North America and Europe lead the global market, while Asia-Pacific, particularly India, shows promising growth potential due to government initiatives and rising consumer awareness. Despite challenges related to infrastructure, regulatory variations, and competition from traditional testing methods, the market holds vast opportunities in infectious disease diagnostics, personalized medicine, and large-scale public health programs. As innovations in saliva-based testing continue, the industry is expected to deliver reliable, accessible, and cost-effective diagnostic solutions, shaping the future of non-invasive healthcare worldwide.

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