With a limited number of tests available for COVID-19, whether or not you can get tested for the virus depends on where you live and how bad your symptoms might be.

If you’re wondering whether you should be tested, here are three signs you might need to contact a medical professional:

You show common symptoms and are in a prioritized group:

The main symptoms of COVID-19 are fever, dry cough and shortness of breath.

Initially, the CDC was only recommending testing for people with exposure to an infected person. However, all that changed once community spread was confirmed in the United States.

In response, the CDC changed its recommendations to allow anyone with COVID-19-like symptoms to be tested as long as a doctor approved the request.