How long does it take to be COVID negative?

A negative result means the test did not detect enough viral material in that sample. It does not prove that you were never infected, and a single result can miss infection if testing is too early or the sample is inadequate. Rapid tests and laboratory tests use different methods, so their results may not change at the same point.

Symptoms can settle before a test turns negative. Conversely, a positive result may persist after you feel better. Follow the instructions for the test used and any current advice from your clinician or local health service. Ongoing fatigue, reduced smell or taste, joint pain, low mood or difficulty concentrating can occur after the initial illness; these symptoms do not by themselves show that you are still infectious.

Stay home when you feel unwell, improve airflow indoors and avoid close contact with people who could become seriously ill. Test according to the product instructions rather than repeatedly testing within a short interval. Keep a record of when symptoms began, which test you used and the result.

If symptoms continue after the acute illness, arrange a clinical review. The information on [COVID-19](/conditions/covid-19/) and [Long COVID](/conditions/long-covid/) can help you understand the difference between an active infection and symptoms that linger.

Seek urgent care for trouble breathing, chest pain or pressure, new confusion, inability to stay awake, or lips or skin that look blue or grey. Contact a clinician promptly if fever returns, symptoms are worsening, you cannot keep fluids down, or you have a condition or treatment that weakens your immune system.

Which test should I use, and when should I repeat it? Does my result change what I should do around other people? Could my continuing fatigue, smell change or concentration problem need assessment?