Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Gone are the days of visiting a doctor’s office to determine whether you have Covid. Instead, you can buy over-the-counter test kits, which diagnose infection from the comfort of your home, making ...

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A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

At-home allergy tests claim to be convenient ways to check for allergies and intolerances. These tests are available online and in many drugstores and pharmacies. Share on Pinterest At-home allergy ...

It’s best to test for RSV soon after your symptoms start. That’s because you’ll likely have the most virus in your system then. As you get better, the amount of virus will go down. (Photo Credit: ...

As testing for the novel coronavirus continues to scale up, a new study finds that saliva samples are a “preferable” indicator for infection than the deep nasal swabs now widely used. The study led by ...