Health article

Nasal Swab: MedlinePlus Medical Test

What do the results mean?

Depending on your symptoms, you may have been tested for one or more types of infections.

A negative result means no harmful viruses or bacteria were found in your sample.

A positive result means a specific type of harmful virus or bacteria was found in your sample. It indicates you have a specific type of infection. If you are diagnosed with an infection, be sure to follow your provider’s recommendations for treating your illness. This may include medicines and steps to prevent spreading the infection to others.

Learn more about laboratory tests, reference ranges, and understanding results.

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