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2019-nCoV Ag Rapid Test Kit (1-Pack): Nasal/Oropharyngeal Swab Test
2019-nCoV Ag Rapid Test Kit (1-Pack): Nasal/Oropharyngeal Swab Test
2019-nCoV Ag Rapid Test Kit (1-Pack): Nasal/Oropharyngeal Swab Test
2019-nCoV Ag Rapid Test Kit (1-Pack): Nasal/Oropharyngeal Swab Test
2019-nCoV Ag Rapid Test Kit (1-Pack): Nasal/Oropharyngeal Swab Test
2019-nCoV Ag Rapid Test Kit (1-Pack): Nasal/Oropharyngeal Swab Test

2019-nCoV Ag Rapid Test Kit (1-Pack): Nasal/Oropharyngeal Swab Test

Note: TFDA certified, this product can only be exported to Thailand for use.

The COVID-19 Antigen Test is an in vitro immunochromatographic method for the qualitative detection of SARS-CoV-2 nucleocapsid protein antigens from nasopharyngeal or Oropharyngeal swabs of individuals suspected of COVID-19.

The test area (T) on theplain film has been pre-coated with an anti-2019-nCoV monoclonal antibody, forming a red reaction line in thearea (T). If the sample does not contain the 2019-nCoV antigen, a red reaction line cannot be formed in the T zone. Regardless of whether the test sample contains the 2019-nCoV antigen, a red reaction line will always be formed in the quality control area (C).

Certifications: CE

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Description of 2019-nCoV Ag Rapid Test Kit

The 2019-nCoV Ag rapid test kit is designed to assist in the rapid diagnosis of SARS-COV-2 infection by detecting novel Coronavirus antigens in nasopharyngeal and oropharyngeal swabs using the dual-antibody sandwich method.

This test is limited to laboratories that are certified to perform medium, high complexity, or exempt complexity testing requirements. The test is authorized for use at Point of Care (POC), which are inpatient care facilities that have received CLIA exemption certificate, compliance certificate, or certification certificate. The test is to identify SARS-CoV-2 nucleocapsid antigen that is generally detectable in upper respiratory samples during the acute phase of infection. A positive test result indicates the presence of viral antigens, but the correlation of clinical, medical history and other diagnostic information is necessary to determine infection status. However, bacterial infection or co-infection with other viruses can also cause a positive test result.

How to Use Novel Coronavirus Self-Test Kit?

Application: For suspicious patients with symptoms, mild symptoms, or even without symptoms, also for testing people with close contact with infected patients and people under quarantine control.

Collection of nasopharyngeal or oropharyngeal samples

  1. After cleaning your hands, remove the NA swab and COVID-19 antigen test kit from the aluminum foil pouch.
  2. Insert the nasopharyngeal swab into the nasopharynx, or insert the oropharyngeal swab into the oropharynx, gently rotate it 5 times and slowly remove.

Extract Sample

  1. After the specimen collection is done, immediately immerse the swab into the sample extraction buffer.
  2. To fully extract the sample, place the swab in the buffer by repeatedly rotating the swab against the tube wall for 10 seconds, then squeeze the swab several times while holding the tube (the tube wall is semi-solid) with your fingers , while slowly removing the swab from the tube.
  3. After removing the swab and discarding it in the biological waste container, screw the nozzle on top of the aspiration tube (provided in the kit) tightly onto it, then gently shake the aspiration tube to mix the liquid inside.

Test Procedure

1. Read the instruction for use carefully before performing the test.

2. Reverse the specimen extraction tube and keep it upright. Squeeze the test tube, and add more than 3 drops of the specimen liquid (about 70-90 μL) into the test cassette through the test tube nozzle. 

3. Start the timer. Read the result visually at 15 minutes. Do not interpret the result after 30 minutes.

Interpretation of the Test Results

Positive test results: Visible lines of color appear at both the “T” and “C” sites, or if the test “T” site shows a darker color.

Negative test results: Only the “C” reference has color, and the “T” position is blank.

Invalid result: If “C” is empty and no color appears, the test result is invalid, so the sample needs to be tested again.

Features of the Covid-19 Rapid Antigen Test Kit

Sensitivity: 96.15%(100/104), confirmed positive cases compared to the nucleic acid amplification test.

Specificity: 99.78%(448/449), the negative cases were also confirmed by nucleic acid amplification test.

Cross-reactivity: There is no cross-reactivity with influenza A virus, influenza B virus, adenovirus, Coxsackie virus, ECHO virus, and enterovirus; no cross-reactivity with Chlamydia pneumoniae, Mycoplasma pneumoniae, Chlamydia psittaci, and Chlamydia trachomatis; no cross-reactivity with Acinetobacter baumannii, Bordetella pertussis, Candida albicans, Escherichia coli, Haemophilus influenzae and Neisseria gonorrhea.

Limitations of Procedure

1. The test kit is used to directly detect the presence of SARS-CoV-2 antigen in respiratory specimens from patients suspected of covid-19.

2. This test kit is a qualitative assay, not a quantitative assay.

3. The accuracy of the test depends on the sample collection process. Improper sample collection, improper sample storage will affect the test result.

4. The results of this test kit are only intended for clinical reference. A confirmed diagnosis should only be made after all clinical, and laboratory findings have been evaluated.

5. Due to the limitations of antigen detection test kits, it is recommended to use nucleic acid amplification or virus culture identification methods to review and confirm negative test results.

6. Positive test results do not rule out co-infections with other pathogens. A negative result of this test kit can be caused by:

  • 1) Improper sample collection, improper sample transfer, or handing.
  • 2) The level of the SARS-CoV-2 virus is below the detection limit of the test.
  • 3) Variations in viral genes that may have caused changes in antigen determinants.

Cautions

  1. Since it cannot be ruled out that the subject is only infected with SARS-CoV-2, a negative test result should be regarded as a presumed result. It cannot be used as the only basis for treatment, patient management, and infection control. Negative test results should be considered based on the patient’s recent exposure history, medical history, and clinical signs and symptoms consistent with COVID-19. They should be confirmed by molecular testing for patient management if necessary.
  2. COVID-19 Antigen Test Kit(Lateral Chromatography) is intended for use by trained clinical laboratory personnel specifically instructed and trained in the techniques of in vitro diagnostic procedures and proper infection control procedures and individuals similarly trained in point of care settings.
  3. This kit is only used for in vitro auxiliary diagnosis and should be used strictly by the Instructions For Use.
  4. Please check the kit’s effective date and package integrity before use. The test equipment cannot be used if its packaging is damaged or the product is outdated.
  5. The time for testing and results reading must be followed.
  6. After the pouch of the test cassette is opened, the test should be performed within 60 min. The test cassette can only be used once.
  7. The kit is stored at 20℃~30℃. Keep away from moist, sunlight, heat, or freezing conditions.
  8. The test results of this kit are only for clinical reference, and the clinical diagnosis of the disease should be considered in combination with the patient’s symptoms, signs, medical history, other laboratory tests, and treatment response.

Adhering to the principle of “first-class products, first-class service”, Huachenyang (Shenzhen) Technology Co., Ltd. takes product quality as the foundation of enterprise development, specializes in the production of flocking swabs, throat swabs, oral swabs, nasal swabs, cervical swabs, sponge swabs, virus sampling tubes, virus preservation liquid, etc.
With more than 14 years of manufacturing experience in the field of medical consumables, HCY organizes production and manages sales in strict accordance with ISO9001 and ISO13485 and has certain advantages in the industry.

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