When it comes time to get tested for COVID-19 (and other infections like STDs, for that matter), two types of tests are typically offered: Rapid tests and PCR tests. But what, exactly, sets them apart — and which should you choose?
In this guide, we’ll explain how each test works, when to consider using them, and why the decision can be consequential for your health and peace of mind.
What Is a Rapid Test?
A rapid test provides results quickly, sometimes in as few as 15 to 30 minutes. These tests are capable of finding specific proteins or antigens of viruses or bacteria. They’re simple to use, they tend to be less expensive ,and they’re great when you need results quickly.
Common uses:
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COVID-19 screening
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Flu diagnosis
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Express STD testing (HIV, syphilis, etc.)
If you are trying to find a test now in Las Vegas, rapid test options are available at Many clinics have walk-in options for travel, work purposes, or for simple peace of mind.
What Is a PCR Test?
The most accurate tests available are PCR (Polymerase Chain Reaction) tests, known as the “gold standard.” Rather than looking for proteins, PCR tests identify the genetic material, RNA or DNA, of a virus or bacteria. That makes for very sensitive tests — even small amounts can yield a positive result.
Common uses:
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COVID-19 confirmation testing
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STDs (such as gonorrhea or chlamydia) screenings
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Diagnosis of some infections, whether bacterial or viral
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PCR results usually come back slower — anywhere from a few hours to a couple of days — because the tests have to be run in a laboratory.
Rapid Test vs. PCR: The Twin Pillars of Testing
Which Test Should You Choose?
Choose a rapid test if:
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You need fast results
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You’re doing routine screening
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You have no or mild symptoms but need clearance rapidly
For instance, clinics providing Rapid STD testing in Las Vegas will furnish you with fast results so you can either take action or have peace of mind right away.
Choose a PCR test if:
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You’ve been in the presence of an infection and desire an accurate result
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You have symptoms and want peace of mind
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The Bad You require something official (say for a trip or a doctor's visit)
Are Both the Tests Offered at the Same Clinic?
Yes, many of those clinics offer both rapid and PCR testing. Some even provide options to select the type of processing you would like (and are willing to pay for) – based on cost, speed, and desired outcome.
If you’re unsure, the provider can steer you based on your symptoms, risk and timeline.
Final Thoughts
Both rapid and PCR tests have their use currently in healthcare. Rapid tests are quick and convenient, while the P.C.R. test is the most accurate, and more revealing.
When deciding between the two, you should think about how quickly you need a result, why you’re being tested and how specific the result needs to be.
If you are looking for rapid test in Las Vegas, or rapid STD testing in Las Vegas, local clinics in Vegas can provide fast, reliable testing to help you to be aware and stay safe.
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