COVID symptoms 2026 remain broadly similar to the symptoms identified in recent years, but the virus continues to evolve and illness can vary from person to person. The latest CDC respiratory illness data show that U.S. COVID-19 activity is increasing nationally and regionally, even though overall acute respiratory illness remains very low.
For Americans wondering whether a sore throat, cough, fatigue, congestion, headache, or fever could signal COVID-19, current guidance remains clear: symptoms alone cannot reliably distinguish COVID-19 from flu or other respiratory infections. Testing is therefore important when knowing the cause would affect treatment or precautions.
The latest U.S. COVID-19 update
The CDC’s latest available respiratory illness update, published August 21, reports that national and regional COVID-19 activity is increasing. At the same time, the overall amount of acute respiratory illness causing people to seek health care remains very low.
That combination is important for understanding the current situation. COVID-19 continues to circulate in the United States, but the latest national data do not indicate that the country is experiencing a broad respiratory illness emergency.
CDC data also show that COVID-19 activity has been increasing in recent weeks. Earlier August surveillance found increases particularly in the West and South, while the latest update describes the increase as national and regional.
Because COVID-19 surveillance now relies on several measures rather than the case-count system used during earlier phases of the pandemic, people should not interpret today’s numbers in the same way as reports from 2020 or 2021.
What are the most common COVID symptoms in 2026?
Current CDC guidance lists a broad range of possible COVID-19 symptoms. The symptoms can range from mild illness to severe disease.
Common or possible symptoms include:
- Fever or chills
- Cough
- Sore throat
- Runny nose or nasal congestion
- Fatigue
- Headache
- Muscle or body aches
- Shortness of breath or difficulty breathing
- New loss of taste or smell
- Nausea
- Vomiting
- Diarrhea
The CDC emphasizes that the list does not cover every possible symptom. Symptoms can also change as SARS-CoV-2 evolves and may differ according to a person’s vaccination status and other factors.
Not everyone with COVID-19 develops the same combination of symptoms. Some people may have only mild respiratory symptoms, while others can develop more serious breathing problems.
COVID-19 can also occur without noticeable symptoms. That means feeling healthy does not necessarily prove that a person has not been infected.
Is a sore throat a COVID symptom in 2026?
Yes. A sore throat remains one of the symptoms listed by the CDC for COVID-19.
However, a sore throat by itself does not establish that someone has COVID-19. Other respiratory viruses can cause similar symptoms, including influenza and viruses responsible for common colds.
The same applies to congestion, cough, fatigue and headache. These symptoms overlap significantly among respiratory illnesses.
That overlap is one reason health officials continue to recommend testing when identifying COVID-19 would affect treatment decisions or steps taken to reduce transmission.
Does COVID still cause loss of taste or smell?
Yes. New loss of taste or smell remains on the CDC’s current list of possible COVID-19 symptoms.
However, the symptom is less common than it was during earlier phases of the pandemic. CDC clinical guidance notes that loss of smell and taste can still occur, but these symptoms became less common after Omicron became the dominant lineage.
Therefore, the absence of smell or taste changes should not be used to rule out COVID-19.
Someone can have COVID-19 without experiencing this symptom.
Can COVID cause stomach symptoms?
Yes. COVID-19 can cause gastrointestinal symptoms, including nausea, vomiting and diarrhea.
CDC clinical guidance notes that gastrointestinal symptoms can sometimes occur before fever or lower-respiratory symptoms.
This matters because a person may initially experience digestive problems rather than the respiratory symptoms traditionally associated with COVID-19.
Still, stomach symptoms alone cannot confirm COVID-19. Testing and medical evaluation may be appropriate when symptoms are significant, persistent or accompanied by other signs of infection.
How quickly can COVID symptoms appear?
The CDC states that COVID-19 symptoms may appear between two and 14 days after exposure to the virus. Symptoms can begin mildly, and some people may later develop more serious illness.
The timing can make it difficult to identify exactly when an infection occurred.
A person who develops symptoms after a recent exposure should consider COVID-19 as one possible cause, especially when respiratory illness is circulating in the community.
Can you tell COVID from the flu by symptoms?
No. Symptoms alone cannot reliably distinguish COVID-19 from influenza.
Both illnesses can cause fever, cough, fatigue, headache and body aches. Both can also cause other respiratory symptoms.
The CDC specifically warns that it is not possible to tell the difference between COVID-19 and flu based only on symptoms. Some molecular tests can identify both infections at the same time.
This distinction matters because treatment options and timing can differ. A person at higher risk for severe COVID-19 should contact a health care professional promptly rather than waiting for symptoms to become severe.
What should you do if you have COVID symptoms?
People experiencing respiratory symptoms should take steps to reduce the possibility of spreading illness.
Current CDC respiratory-virus guidance recommends staying home and away from others when respiratory symptoms are not better explained by another cause. People can return to normal activities when, for at least 24 hours, their symptoms are improving overall and they have not had a fever without using fever-reducing medication.
After returning to normal activities, CDC recommends additional precautions for the next five days. These can include cleaner air, good hygiene, a well-fitting mask, physical distancing and testing when around other people.
These measures can be particularly useful around people who face a higher risk of severe respiratory illness.
When should you take a COVID test?
Testing can help determine whether SARS-CoV-2 is responsible for symptoms.
At-home antigen tests are widely available in the United States. However, a negative rapid antigen result does not always rule out an early infection.
The FDA recommends repeat testing after a negative antigen result. For people with symptoms, the FDA recommends testing again 48 hours after the first negative result, for a total of at least two tests.
Molecular tests, including PCR-based tests, are generally more sensitive than at-home antigen tests.
If symptoms continue despite negative home tests, a health care professional can help determine whether additional testing is appropriate. Other respiratory infections may also explain the symptoms.
Why testing can matter more for people at higher risk
For many people, COVID-19 produces mild or moderate illness. However, certain people have a greater risk of progressing to severe disease.
The CDC identifies older age as an important risk factor, with the risk increasing substantially above age 65 and further with advancing age. Being unvaccinated or not up to date with recommended vaccination can also increase risk, as can certain medical conditions and immunocompromising conditions.
For someone at higher risk, identifying COVID-19 early can be especially important because antiviral treatment needs to begin quickly.
Current CDC treatment guidance says eligible patients should begin treatment as soon as possible and within five to seven days after symptoms begin.
Paxlovid is an oral treatment that must begin within five days of symptom onset for eligible patients. Remdesivir can be started within seven days and is administered intravenously. Molnupiravir remains an alternative when preferred options are unsuitable or unavailable.
People who may qualify should contact a health care professional promptly rather than waiting for symptoms to become severe.
What are the emergency COVID symptoms?
Most COVID-19 cases do not require emergency care. Certain symptoms, however, require immediate medical attention.
The CDC lists these emergency warning signs:
- Trouble breathing
- Persistent pain or pressure in the chest
- New confusion
- Inability to wake or stay awake
- Pale, gray or blue-colored skin, lips or nail beds, depending on skin tone
Anyone experiencing these warning signs should call 911 or contact an emergency medical facility.
The CDC also notes that the emergency warning list does not include every possible serious symptom. Severe or concerning symptoms should be discussed with a medical professional.
Are COVID symptoms different for older adults?
COVID-19 can affect older adults differently, and age is an important factor in the risk of severe disease.
CDC clinical guidance notes that COVID-19 can range from asymptomatic infection to critical illness. Older adults and people with risk factors require particular attention when symptoms develop.
For higher-risk people, even relatively mild symptoms can warrant prompt medical contact because treatment options work best when started early.
What does the latest 2026 trend mean for people in the U.S.?
The latest CDC information shows that COVID-19 remains active in the United States and that national and regional activity is increasing. Yet the overall level of acute respiratory illness causing people to seek health care remains very low.
This means Americans should not assume that every cough or sore throat represents COVID-19. At the same time, COVID-19 should not be dismissed simply because symptoms appear mild.
The most useful approach remains symptom awareness, appropriate testing and timely medical care for people at increased risk.
COVID symptoms 2026: Key takeaways
The current symptom profile continues to include respiratory, constitutional and gastrointestinal symptoms. Fever, cough, sore throat, congestion, fatigue, headache, body aches, shortness of breath, nausea, vomiting and diarrhea can all occur. Loss of taste or smell remains possible but is less common than during earlier stages of the pandemic.
COVID-19 activity is currently increasing nationally and regionally, according to the latest CDC respiratory illness update available as of August 27, 2026. Overall acute respiratory illness remains at a very low level.
Because symptoms overlap with flu and other respiratory infections, symptoms alone cannot provide a reliable diagnosis. Testing can help determine the next step, while people at higher risk should seek medical advice quickly because treatment has a limited window for starting therapy.
Have you noticed changes in COVID symptoms recently? Share your experience or stay updated as U.S. respiratory illness trends continue to change.