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by Emily Harper
Updated: Jan. 6, 2022
Originally Published: Jan. 6, 2022
The omicron variant of COVID-19 accounts for approximately 95% of all infections in the U.S. While it tends to affect the lungs less severely than other variants, its rapid spread is concerning, particularly among those who are vaccinated and boosted. Given that its symptoms can resemble a severe cold, it’s crucial to determine whether you have COVID-19 or just a common illness, particularly before mingling with others.
To ensure you get accurate results, here are important guidelines for properly conducting at-home COVID tests.
When to Utilize a Self-Test for COVID-19
For a definitive diagnosis of COVID-19, a PCR test remains the gold standard. If you’re experiencing symptoms or have been in close contact with someone who tested positive, it’s best to seek out a PCR test immediately.
However, if you’re asymptomatic and have a low risk of infection, at-home tests are a viable option. These tests, which detect antigens rather than antibodies, can save you time, especially since scheduling PCR tests can be challenging.
It’s also advisable to take a self-test before attending indoor gatherings, particularly in the presence of elderly individuals, unvaccinated children, or those with compromised immune systems. The Centers for Disease Control and Prevention (CDC) suggests that these self-tests provide a quick and convenient way to mitigate risks. They can be taken anywhere, regardless of your vaccination status or symptoms, and yield rapid results.
How to Properly Use an At-Home COVID Test
If you have an at-home test, store it as per the manufacturer’s guidelines until you’re ready to use it. Here’s a step-by-step approach:
- Sanitize the surface where you’ll conduct the test (like a kitchen counter or table) just before starting.
- Have a timer on hand, as some steps may need timed monitoring.
- Read the manufacturer’s instructions thoroughly.
- Wash your hands properly with soap and water for at least 20 seconds.
- Check the test for any visible damage or discoloration after opening.
- Collect your sample (nasal or saliva, depending on the test).
- Follow the instructions in the correct order to complete the test.
- Read your results within the timeframe specified.
Remember, not adhering to the instructions or failing to read the results on time can invalidate your test. If you encounter issues, contact the manufacturer or retest.
After completing your test, dispose of it properly. Clean the surface you used, wash your hands again, and absolutely do not reuse the test materials.
A noteworthy tip: some experts recommend including a throat swab along with the nasal swab to enhance accuracy. This can be done using the same swab after sampling your throat. Although at-home tests in the U.S. are not FDA-approved for throat swabbing, it may improve your chances of detecting the virus.
Also, refrain from eating, drinking, or using toothpaste for at least 30 minutes before testing to avoid false positives.
What to Do If Your Results Are Positive
If you test positive for COVID-19, quarantine for 10 days and notify your healthcare provider, as well as anyone you’ve been in close contact with recently. It’s essential to communicate your situation so others can make informed health decisions.
If your result is negative but you’re showing symptoms, it’s crucial to get a PCR test, as false negatives can occur.
For negative results without symptoms, you may not be completely in the clear. To further reduce the risk of being an undetected carrier, consider taking multiple tests over several days, with at least a 24-hour gap between them, and aim to take the final test as close to your planned activity as possible.
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Summary
Proper use of at-home COVID tests is essential for accurate results. It’s important to follow instructions meticulously, especially regarding sample collection and timing. If you’re symptomatic or have been exposed, prioritize a PCR test. Always communicate positive results to those who may have been exposed to help curb the spread of the virus.