Rapid Tests > Human Metapneumovirus Antigen Assay

Human Metapneumovirus (hMPV) Antigen Test – EZER™

Rapid Tests > Human Metapneumovirus Antigen Assay

Human Metapneumovirus (hMPV) Antigen Test – EZER™

Product highlights

  • Respiratory-focused sampling – Compatible with nasopharyngeal and pharyngeal swabs
  • hMPV-specific detection – Targets Human Metapneumovirus antigen
  • Rapid results – Visual readout within 15 minutes
  • High diagnostic accuracy – Strong agreement with PCR reference methods

Human Metapneumovirus (hMPV) Antigen Test – EZER™

About Human Metapneumovirus (hMPV) Antigen Test – EZER™

The EZER™ Human Metapneumovirus (hMPV) Antigen Rapid Test is a chromatographic lateral flow immunoassay for the qualitative detection of hMPV antigen from nasopharyngeal or pharyngeal swab specimens. Optimized for early-stage infection, the test detects viral antigen at the point when hMPV viral load is typically highest and clinical symptoms are most pronounced.

hMPV infection occurs frequently in infants and elderly populations and may lead to bronchiolitis and other lower respiratory tract infections. Because reinfection is common and symptoms overlap with RSV and influenza, rapid antigen-based detection plays a key role in differential diagnosis.

Results are available within 15 minutes, enabling timely clinical decisions without the need for specialized laboratory infrastructure. Clinical evaluation against PCR methods demonstrated high relative sensitivity, specificity, and overall accuracy, making this assay a reliable frontline diagnostic tool for routine respiratory testing and outbreak settings.

Specifications of the Human Metapneumovirus (hMPV) Antigen Test – EZER™

What is in the Human Metapneumovirus Antigen Rapid Test?

Each kit contains:

  • 20 EZER™ Human Metapneumovirus test devices

  • 20 sterile swabs

  • 20 extraction tubes with buffer

  • 20 nozzles

  • 1 tube stand

  • 1 package insert with instructions

The test detects Human Metapneumovirus antigen through immunochromatographic analysis. If hMPV antigen is present in the specimen, a red line appears in the test region (T) together with the control (C) line, confirming a valid positive result.

Role of hMPV in Respiratory Disease

Human Metapneumovirus is an RNA virus that causes acute respiratory tract infections, particularly in infants, young children, and elderly individuals. Primary infection usually occurs early in life, and reinfection is common. Because clinical symptoms closely resemble RSV infection, laboratory confirmation is essential.

Detection of hMPV antigen:

  • Supports early confirmation of respiratory infection

  • Enables differentiation from RSV and influenza-like illness

  • Facilitates timely patient triage in pediatric and geriatric care

  • Provides actionable results when molecular testing is unavailable

As antigen levels are highest during the acute phase, this test is most effective when used shortly after symptom onset.

About the EZER™ Human Metapneumovirus Antigen Rapid Test

Developed by Genesis Biotech, this assay incorporates monoclonal antibodies specific for Human Metapneumovirus antigen, conjugated to visible labeling particles. The test detects both major hMPV genotypes (A and B).

Performance summary (PCR comparison):

  • Relative sensitivity: ~92%

  • Relative specificity: 100%

  • Overall accuracy: up to 96.3%

  • Time to result: 15 minutes

  • Limit of detection:

    • Genotype A: 4.5 × 10³ TCID50/mL

    • Genotype B: 3.0 × 10³ TCID50/mL

No cross-reactivity was observed with common respiratory viruses, including Influenza A/B, RSV, Adenovirus, Rhinovirus, or seasonal human coronaviruses.

Principle and Workflow

Sample types:

  • Nasopharyngeal swab

  • Pharyngeal swab

Test procedure:

  1. Extract the collected swab in extraction buffer

  2. Add 3 drops of extracted sample to the cassette

  3. Read results after 15 minutes

Result interpretation:

  • Positive: Two red lines (C and T)

  • Negative: One red control line (C only)

  • Invalid: No control line — retest required

The cassette format and short turnaround time allow efficient testing in both clinical laboratories and point-of-care settings.

Clinical Application

The EZER™ Human Metapneumovirus Antigen Rapid Test is intended for:

  • Early diagnosis of acute hMPV respiratory infection

  • Pediatric and geriatric respiratory screening

  • Differential diagnosis of RSV-like illness

  • Hospital and outpatient respiratory testing programs

By combining rapid turnaround with reliable antigen detection, this test supports improved clinical decision-making and optimized patient management during respiratory infection seasons.

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