FLU A/B + COVID-19 Antigen Combo Test Wholesale: 3-in-1 Cassette Pricing for Pharmacy Chains

TL;DR — Key Takeaways

• 3-in-1 detection: Influenza A + Influenza B + COVID-19 in a single cassette, results in 10–15 minutes.
• Formats: 1T, 5T, 25T per pack. No cold chain required — room temperature storage (4–30°C).
• Certifications: CE certified, FDA EUA authorized, ISO 13485, MDSAP.

The question I hear most from pharmacy chain buyers isn’t “does this test work?” — it’s “which format and how many units do I actually need to make this profitable?” That’s the practical wholesale question. In this guide, I’ll walk through the FLU A/B + COVID-19 3-in-1 antigen combo test cassette — its format options, certification status, and how to structure a procurement order that works for a pharmacy network.

The 3-in-1 combo test cassette represents one of the most strategically important SKUs in the respiratory diagnostic wholesale market. Unlike single-pathogen rapid tests, a 3-in-1 combo cassette allows pharmacy staff to rule out multiple respiratory threats from a single nasal swab — reducing test-and-return visits, improving triage speed at the counter, and creating a higher-perceived-value service offering for customers who want fast, actionable results.

Why Pharmacy Chains Are Adopting the 3-in-1 Combo Format

From a commercial standpoint, the 3-in-1 combo cassette changes the value proposition of rapid testing at the pharmacy counter. When a customer presents with fever, cough, and fatigue — the classic overlapping symptom profile of influenza and COVID-19 — the pharmacist can run a single test that differentiates between three possible causes simultaneously. Because the test cost is amortized across three pathogens rather than one, the per-pathogen cost drops significantly. This makes the 3-in-1 format economically superior to purchasing three separate single-pathogen tests, while simultaneously delivering more clinical value to the patient.

For pharmacy chains operating in markets where over-the-counter respiratory diagnostics are permitted, the 3-in-1 combo test supports several revenue models: direct retail sale to consumers, professional-use testing at the pharmacy counter with a pharmacist administering the swab, and institutional contracts with corporate employers for on-site employee screening programs.

3-in-1 Combo Test: What the Cassette Actually Detects

The FLU A/B + COVID-19 3-in-1 antigen combo test cassette uses lateral flow immunochromatographic assay technology to simultaneously detect Influenza A, Influenza B, and SARS-CoV-2 (COVID-19) antigens from a nasal swab specimen. Because each pathogen triggers a distinct test line on the cassette, results are read individually — a positive line for Flu A, Flu B, or COVID-19 indicates infection with that specific pathogen. The three-line format allows pharmacists and consumers to interpret results with clinical precision, without the ambiguity of a single-line result that leaves differential diagnosis unresolved.

The test’s clinical utility is highest when administered during the acute phase of infection — typically days 1 through 5 after symptom onset — when pathogen antigen concentrations in the nasal cavity are at their peak. Beyond day 7, antigen concentrations begin to decline significantly, and false negatives become more common. This is standard behavior for all antigen-based rapid tests and is not unique to the combo format.

Format Options: 1T, 5T, and 25T — Choosing the Right Configuration

This is where most pharmacy chain procurement decisions get made or broken. The 3-in-1 combo cassette comes in three standard pack configurations, and the right choice depends on your dispensing model.

1T (1 Test per Pack)

The single-test pack is designed for individual consumer retail — the pharmacy shelves a single-unit box, the customer purchases one test, takes it home, and self-administers. Because the 1T format carries the highest per-test manufacturing and packaging cost, the wholesale price per unit is also the highest. However, for pharmacy chains that serve walk-in customers seeking immediate at-home testing, the 1T format is the most convenient retail unit. I recommend 1T stock for high-footfall urban pharmacies and retail locations where single-unit impulse purchases are common.

5T (5 Tests per Pack)

The 5-test pack is the most popular wholesale configuration for pharmacy chains that operate professional-use testing at the counter. A pharmacist swabs the patient, runs the test, and disposes of the cassette — leaving four remaining tests in the sealed pack for future patients. Because the 5T pack distributes packaging costs across five units, the per-test wholesale price is 15–20% lower than the 1T format. This is the format I recommend for pharmacy chain procurement at the initial ordering stage, as it balances retail flexibility with per-unit economics.

25T (25 Tests per Pack)

The 25-test pack is optimized for institutional contracts and high-volume screening programs. Corporate employers purchasing for on-site employee testing, university health centers managing dormitory screening, and long-term care facilities conducting resident testing programs all benefit from the 25T format. Because the per-unit packaging cost is minimal at 25 tests per pack, the per-test wholesale price reaches its lowest point — typically 35–45% below the 1T unit price at the same order volume.

Certifications and Regulatory Compliance

The 3-in-1 combo test cassette is manufactured under ISO 13485 and MDSAP (Medical Device Single Audit Program) quality management systems, covering design, manufacturing, and distribution of IVD devices. Because the test is used for professional diagnosis — not home self-testing in most markets — it requires a professional-use CE marking, which the current certification provides. Verify with your regulatory consultant whether the professional-use CE marking meets your market’s specific requirements for pharmacy-counter diagnostic use.

The cassette has also received FDA Emergency Use Authorization (EUA), which permits distribution and use in the United States under the FDA’s emergency use authorities. Because FDA EUA authorization carries specific conditions and limitations that differ from standard 510(k) clearance, pharmacy chains and distributors operating in the US market should confirm the current authorization status directly with Testsealabs before placing large orders. Regulatory landscapes for EUA-authorized products can change as public health emergencies are declared or rescinded.

Storage, Shelf Life, and Cold Chain Considerations

One of the most commercially significant advantages of the 3-in-1 combo cassette is its room-temperature storage requirement. The test operates at 4–30°C with a 24-month shelf life from the date of manufacture. This eliminates cold chain requirements during shipping and storage, which represents a meaningful cost saving for pharmacy distributors — a cold chain adds approximately 15–25% to the total logistics cost for temperature-sensitive diagnostic products.

For pharmacy chains managing inventory across multiple locations, the room-temperature stability also simplifies store-level inventory management. A pharmacy in a hot climate does not need to install refrigerated storage for the 3-in-1 combo test — it can be stocked in standard shelving alongside other OTC pharmaceutical products. Because the packaging is designed for shelf display, the 3-in-1 combo cassette is well-suited to the retail pharmacy environment where refrigerated storage space is at a premium and OTC products are the primary category.

OEM and Private-Label Options for Pharmacy Chains

For pharmacy chains that operate under their own branded OTC product lines, the 3-in-1 combo test cassette is available for private-label customization. Customization options include:

• Custom packaging language: Packaging and instructions for use can be printed in the destination market language.
• Brand customization: Custom box design, color scheme, and branding elements on the outer retail packaging.
• Insert customization: Customized product information inserts, user instructions, and pharmacist guidance cards.
• Format customization: Custom cassette design with pharmacy chain branding on the test device itself (subject to minimum order quantities).

Private-label orders for the 3-in-1 combo cassette typically require 8–12 weeks for initial production and quality validation. I recommend building a 12-week safety buffer into your inventory planning if you’re transitioning from a standard supplier brand to a private-label product.

How to Evaluate a Wholesale Supplier for the 3-in-1 Combo Test

Not all 3-in-1 combo test suppliers are equivalent, even when the product specifications look similar on paper. Here’s the evaluation checklist I recommend for pharmacy chain procurement managers:

1. Verify the actual registration: Request the CE certificate and FDA EUA authorization documents directly from the supplier. Confirm the registration covers the specific product name and SKU you’re ordering — not just a related product in the same category.
2. Validate clinical performance data: Ask for the sensitivity and specificity data for each individual pathogen line (Influenza A, Influenza B, and COVID-19) in the 3-in-1 cassette. A product that performs well on Flu A may have poor sensitivity on COVID-19. Each line must be independently validated.
3. Check the buffer lot traceability: For pharmacy chains managing adverse event reporting obligations, confirm that the supplier maintains complete manufacturing batch traceability and that the buffer lot recall procedure is documented and tested.
4. Confirm the shelf-life on the specific batch: Request the manufacturing date and confirm remaining shelf life at time of shipment. Some distributors have received product with less than 12 months of remaining shelf life, which creates retail shelf-life pressure within 6–9 months of receipt.

Procurement Checklist for Pharmacy Chain Buyers

Before placing your first wholesale order for the 3-in-1 combo test cassette, confirm the following:

• Your market’s regulatory classification for professional-use combo antigen tests — confirm it aligns with CE professional-use marking and FDA EUA authorization as applicable.
• Your pharmacy chain’s specific format preference (1T, 5T, or 25T) and whether your store format supports the pack size you choose.
• The supplier’s current lead time and whether they hold stock for immediate dispatch or manufacture to order.
• The payment terms offered — Letter of Credit at sight or 30% deposit with 70% against Bill of Lading are standard for first orders.
• Whether private-label customization is available and the lead time for custom branding.

About the Author: Angela Qin

Angela Qin is International Sales Director at Testsealabs (Hangzhou Testsea Biotechnology Co., Ltd.), a manufacturer of rapid diagnostic test kits including the FLU A/B + COVID-19 3-in-1 combo test cassette. With hands-on experience supporting pharmacy chain procurement and distribution across Asia, Europe, and North America, she helps buyers navigate certification, and OEM customization for respiratory antigen combo tests.

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Frequently Asked Questions

What is the detection window for the FLU A/B + COVID-19 3-in-1 combo test?

The 3-in-1 combo test detects Influenza A, Influenza B, and SARS-CoV-2 antigens simultaneously from nasal swab specimens. Detection is most accurate during the acute phase of infection (days 1–5 of symptom onset) when pathogen concentrations are highest. Results are read at 10–15 minutes.

What formats are available for the FLU A/B + COVID-19 3-in-1 cassette?

The 3-in-1 combo cassette is available in three format configurations: 1 test per pack (1T), 5 tests per pack (5T), and 25 tests per pack (25T). Most pharmacy chains prefer the 5T format for counter dispensing; 25T is preferred for high-volume screening programs.

What certifications does the 3-in-1 combo test carry?

The FLU A/B + COVID-19 3-in-1 combo cassette is certified to CE and has received FDA EUA authorization. It is manufactured under ISO 13485 and MDSAP quality management systems. For pharmacy chain procurement in specific markets, verify local regulatory requirements with your supplier.

What storage conditions are required for the 3-in-1 combo test cassette?

The test cassette operates at room temperature (4–30°C) with a 24-month shelf life from date of manufacture. No cold chain is required during shipping or storage, which significantly reduces logistics costs for pharmacy distributors.