Can you have Covid 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. People infected with the coronavirus who have no symptoms can still spread COVID-19 to others.
Fever is less common in people infected with the Omicron variant of Covid-19 compared to previous variants, such as Delta. The most common symptoms of the Omicron variant of Covid-19 are a runny nose, sore throat, nasal congestion, fatigue, and aches and pains. The cough is usually also milder than with previous variants and may not be present at all.
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References
- Coronavirus Symptoms: Frequently Asked Questions. John Hopkins Medicine. 2021. https://www.hopkinsmedicine.org/health/conditions-and-diseases/coronavirus/coronavirus-symptoms-frequently-asked-questions
- Doucleff M and Stone W. What we know about the symptoms — and the severity — of the omicron variant. Jan 8, 2022. Global Health News. https://www.gpb.org/news/shots-health-news/2022/01/08/what-we-know-about-the-symptoms-and-the-severity-of-the-omicron
- Omicron Variant: What You Need to Know. Updated Dec 20,2021. CDC https://www.cdc.gov/coronavirus/2019-ncov/variants/omicron-variant.html
Read next
Can you become immune to COVID-19?
Patients who recover from COVID-19 make antibodies to the virus that may impart immunity for at least 6 months; however, breakthrough infections do occur and may be more likely with newly circulating variants of the virus. Immunizing with the latest recommended COVID-19 vaccine can help to extend your immunity and prevent disease. Continue reading
Is obesity a major risk factor for Covid-19?
Obesity is a major risk factor for covid-19 and people who are obese are more likely than those who are not obese to contract Covid-19 at a younger age, develop severe Covid-19, require hospitalization, oxygen, mechanical ventilation, intubation, or admission into ICU, end up in hospital sooner, or die from Covid-19. Continue reading
COVID-19 vaccines and variants: What you should know
As of May 2025, the top 5 variants circulating in the U.S. are all lineages of the Omicron variant are: LP.8.1 (73%), XFC (10%), XEC (4%), LF.7.7.2 (3%), and LF.7 (2%), as estimated by the CDC on the COVID Data Tracker.
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