Similar to a COVID-19 test, rapid Strep At Home Test involves swabbing the throat/tonsils to detect antigens. While convenient for detecting infection, these tests are not 100% accurate and may produce false negatives, so positive results often require confirmation from a doctor.
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Product name |
Strep A Rapid Test Strip |
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Item type |
STP-S21 |
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Specimens |
Saliva |
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Shelf life |
2 years |
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Test Time |
Waiting about 15 minutes |
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Certificate |
CE, ISO:13485 |
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OEM |
Acceptable |
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Storage condition |
The kit should be stored at 2-30°C |
PRINCIPLE
The Strep A Rapid Test is a qualitative, lateral flow immunoassay for the detection of Strep A carbohydrate antigen in a throat swab. In this test, antibody specific to Strep A carbohydrate antigen is coated on the test line region of the test. During testing, the extracted throat swab specimen reacts with an antibody to Strep A that is coated onto particles. The mixture migrates up the membrane to react with the antibody to Strep A on the membrane and generate a color line in the test line region. The presence of this color line in the test line region indicates a positive result, while its absence indicates a negative result. To serve as a procedural control, a colored line will always appear in the control line region, indicating that proper volume of specimen has been added and membrane wicking has occurred.
PROCEDURE
Bring test devices, specimens, and/or controls to room temperature (15- 30°C) before use.
1. Remove the test device from its sealed pouch, and place it on a clean, level surface. Label the device with patient or control identification. For best results, the assay should be performed within one hour.
2. Gently mix Extraction reagent solution. Remove the foil, place the patient swab specimen into the Extraction Tube with buffer.
3. Roll the swab at least 10 times while pressing the swab against the bottom and side of the Extraction Tube. Roll the swab head against the inside of the Extraction Tube as you remove it. Try to release as much liquid as possible. Dispose of the used swab in accordance with your biohazard waste disposal protocol.
4. Put on the tube tip, then add 3 drops (100μL) of extracted sample into each sample well. Do not handle or move the Test Device until the test is complete and ready for reading. As the test begins to work, color will migrate across the membrane. Wait for the colored band(s) to appear. The result should be read at 15 minutes. Do not interpret the result after 20 minutes.
FAQ
Q: How accurate are at home rapid strep tests?
A: It's about 95% accurate in detecting strep bacteria when they are present. False negatives. However, the test isn't perfect. Sometimes, it may not detect the bacteria, resulting in a false negative.
Q:How to treat strep throat in pregnancy?
A: Treatment for strep throat during pregnancy typically involves antibiotics, which are safe for both you and your baby when prescribed by a healthcare provider. The most commonly prescribed antibiotics include penicillin, amoxicillin, and cephalexin, and are considered safe during pregnancy.
Q: Can strep cause ear pain?
A: Can strep throat cause ear pain? Strep throat does not cause ear pain but can lead to a painful ear infection. Since strep throat is a throat infection, the bacteria can travel to the eustachian tubes and into the middle ear, resulting in an ear infection.
Q: What does a rapid strep test test for?
A: A rapid strep test involves a quick throat swab. Within minutes, the test can detect group A streptococcus bacteria, which can cause strep throat and other infections (including scarlet fever, abscesses, and pneumonia). Explaining the test in terms your child can understand might help ease any fear.
Q: How soon will a rapid strep test show positive?
A:This test gives results within about 10 minutes. But sometimes it doesn't show strep even when you have strep. If the rapid test is positive and says that you do have strep, there's no need to do the throat culture. A throat culture can find strep bacteria.
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