How long after exposure to COVID-19 do symptoms start?

The time from exposure to symptom onset (known as the incubation period) is thought to be two to 14 days. Symptoms typically appeared within five days for early variants, and within four days for the Delta variant.

How long does it take for the COVID-19 symptoms to start showing?

People with COVID-19 have had a wide range of symptoms reported – ranging from mild symptoms to severe illness. Symptoms may appear 2-14 days after exposure to the virus.

When should you take a COVID-19 test after exposure?

YES: Get tested at least 5 days after exposure. Follow quarantine guidance while waiting to test.

What are some of the first symptoms of COVID-19?

Early symptoms reported by some people include fatigue, headache, sore throat or fever. Others experience a loss of smell or taste. COVID-19 can cause symptoms that are mild at first, but then become more intense over five to seven days, with worsening cough and shortness of breath.

How long is the incubation period for COVID-19?

- The incubation period for COVID-19. Given that the incubation period can be up to 14 days, CDC recommends conducting screening testing at least weekly.

Watch what it's like to get tested for COVID-19

How long are you contagious after being sick with COVID-19?

Most people with COVID-19 are no longer contagious 5 days after they first have symptoms and have been fever-free for at least three days.

What does a close contact of a person with COVID-19 need to do?

Contacts are encouraged to stay home and maintain social distance from others (at least 6 feet) until 14 days after their last exposure, in case they also become ill. They should monitor themselves by checking their temperature twice daily and watching for cough or shortness of breath. To the extent possible, public health staff should check in with contacts to make sure they are self-monitoring and have not developed symptoms. Contacts who develop symptoms should promptly isolate themselves and notify public health staff. They should be promptly evaluated for infection and for the need for medical care.

What do I do if I have mild symptoms of COVID-19?

If you have milder symptoms like a fever, shortness of breath, or coughing: Stay home unless you need medical care. If you do need to go in, call your doctor or hospital first for guidance. Tell your doctor about your illness.

Can I have COVID-19 if I have fever?

If you have a fever, cough or other symptoms, you might have COVID-19.

What are some examples of mild illness of the coronavirus disease?

Mild Illness: Individuals who have any of the various signs and symptoms of COVID-19 (e.g., fever, cough, sore throat, malaise, headache, muscle pain, nausea, vomiting, diarrhea, loss of taste and smell) but who do not have shortness of breath, dyspnea, or abnormal chest imaging.

What should I do if I've been exposed to a confirmed case of COVID-19 if my vaccine is not up-to-date?

Stay home and quarantine for at least 5 full days. Wear a well-fitted mask if you must be around others in your home. Do not travel. Even if you don't develop symptoms, get tested at least 5 days after you last had close contact with someone with COVID-19.

What does it mean if I test negative for COVID-19?

A negative test result means that the virus that causes COVID-19 was not found in your sample. However, it is possible for this test to give a negative result that is incorrect (false negative) in some people with COVID- 19. You might test negative if the sample was collected early during your infection.

You could also be exposed to COVID-19 after your sample was collected and then have become infected. In particular, people infected with COVID-19 but who have no symptoms may not shed enough virus to trigger a positive test. This means that you could possibly still have COVID-19 even though the test result is negative.

Should I Get Tested for COVID-19?

If you develop symptoms such as fever, cough, and/or difficulty breathing, and have been in close contact with a person known to have COVID-19 or have recently traveled from an area with ongoing spread of COVID-19, stay home and call your healthcare provider.

Can you get the COVID-19 from someone who has no symptoms?

Both flu viruses and the virus that causes COVID-19 can be spread to others by people before they begin showing symptoms; by people with very mild symptoms; and by people who never experience symptoms (asymptomatic people).

Can you get COVID-19 without getting symptoms?

Yes. Symptoms of COVID-19 usually show up from two to 14 days after exposure to the SARS-CoV-2 coronavirus, but some people who are infected do not develop symptoms or feel ill.

What is considered a high fever in adults for COVID-19?

A high-grade fever in adults is 103 degrees F or higher.

Can you run a low-grade fever with COVID-19?

Yes. A fever is one of the common symptoms of COVID-19, but you can be infected with the coronavirus and have a cough or other symptoms with no fever, or a very low-grade one — especially in the first few days.

Can you have COVID-19 without a fever?

Yes, you can have Covid (coronavirus) without a fever or with a very low-grade fever that is hardly noticeable, particularly with the Omicron variant. It is also possible to have Covid-19 with no symptoms at all and the only way you would know this is if you took a Covid-19 test.

Can I recover at home if I have symptoms of COVID-19?

If you have a fever, cough, or other symptoms, you might have COVID-19. Most people have mild illness and are able to recover at home. If you are sick:

• Keep track of your symptoms.
• If you have an emergency warning sign (including trouble breathing), call 911.

How long can symptoms of COVID-19 last?

Acute COVID-19. Once symptoms appear, you have entered the acute stage. You may have fever, cough and other COVID-19 symptoms. Active illness can last one to two weeks if you have mild or moderate coronavirus disease, but severe cases can last months.

What medication should I take for mild COVID-19 symptoms?

If you are worried about your symptoms, the Coronavirus Self-Checker can assist in the decision to seek care. You can treat symptoms with over-the-counter medicines, such as acetaminophen (Tylenol) or ibuprofen (Motrin, Advil), to help you feel better. Learn more about what to do if you are sick.

Should I inform my close contacts that I have COVID-19?

Tell your close contacts that they may have been exposed to COVID-19. An infected person can spread COVID-19 starting 48 hours (or 2 days) before the person has any symptoms or tests positive. By letting your close contacts know they may have been exposed to COVID-19, you are helping to protect everyone.

What should be done if a worker tests positive for the coronavirus?

• Employers need to follow guidelines set by state and local authorities.
• If an employee is confirmed to have COVID-19, employers should inform fellow employees of their possible exposure to COVID-19 in the workplace but must adhere to HIPAA guidelines.
• Sick employees should follow the CDC recommendations and employers should consult with the local health department for additional guidance.

How long should I stay in home isolation if I have a COVID-19 infection?

Positive. The test detected the virus and you have an infection. Stay home for at least 5 days and isolate from others in your home.

Tell your close contacts. Wear a well-fitted mask when around others. If available, a N95 or KN95 respirator is recommended. Watch for symptoms.

How long do I need to stay in isolation if I have symptoms of COVID-19 but my symptoms are better?

If you continue to have fever or your other symptoms have not improved after 5 days of isolation, you should wait to end your isolation until you are fever-free for 24 hours without the use of fever-reducing medication and your other symptoms have improved.