Antigen Testing

COVID-19

Anatomy of the COVID-19 Virus

The SD Biosensor Test System

The SD Biosensor test is simpler and easier to use than the ABBOTT system because it does not require a ID NOW device.  It can be administered by healthcare professionals but if necessary, can be self-administered in the safety and comfort of one’s workplace or home.

What Is the Rapid Antigen Detection Test for COVID-19?

It is a test on swabbed nasal samples that detects antigens (foreign substances that induce an immune response in the body) found on or within the virus. Each box has 25 test kits. Each kit comes with a with an inbuilt COVID antigen test cartridge device, viral extraction tube with viral lysis buffer and sterile swab for sample collection.

Case Scenarios for Rapid COVID-19 Antigen Tests

You may want to see if you are carrying the virus for peace of mind:

1) Recent contact/exposure with a confirmed positive test individual and/or a close contact

2) Symptoms consistent with the flu or COVID-19 and not certain which it is

3) Return from airplane travel and presently in quarantine

4) Prior to visiting ‘at risk’ person in hospital, nursing home, new baby, pre-existing condition individual’s home (diabetes, autoimmune weakness, respiratory condition, cancer)

5) Monitoring higher risk people for home or workplace safety such as essential workers, health care providers

6) Group pre-screening prior to small group in person meetings

Process

Step 1

Collecting of specimen

from the patient’s nasopharynx (both nostrils)

Step 2

Mix the specimen

with extraction buffer

Step 3

Apply the specimen

get result within 30 minutes

To view video, please contact supplier.

Interpretation of Test Results

Positive

Negative

“C” Control Line
“T” Test Line

Invalid

Performance Characteristics

Sensitivity

Clinical Evaluation
Sensitivity – 84.38%

Specificity

Clinical Evaluation
Specificity – 100%

All Negative Tests:
To improve the sensitivity of the test, repeat the test again after 24-48 hours of the first negative test if you are concerned or in quarantine.

All Positive Tests:
They are likely positive as the specificity is listed as 100%.

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