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1. • • A variety of viral infections can affect humans, from the common cold to the flu. A low-grade fever is a symptom of many viral infections. But some viral infections, such as dengue fever, can cause a higher fever.
     www.healthline.com/health/viral-fever

     Viral Fever: Symptoms, Causes, Diagnosis, Treatment, and Warning

2. my.clevelandclinic.org › health › diseasesViral Infection: Causes, Symptoms, Tests & Treatment

   my.clevelandclinic.org › health › diseases

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   Nov 23, 2022 · Symptoms of a viral infection depend on where you’re infected, but some common ones include: Flu-like symptoms: fever, head and body aches, fatigue. Upper respiratory symptoms: sore throat, cough, sneezing.

3. www.healthline.com › health › viral-feverViral Fever: Symptoms, Causes, Diagnosis, Treatment, and Warning

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   Jan 24, 2024 · A variety of viral infections can affect humans, from the common cold to the flu. A low-grade fever is a symptom of many viral infections. But some viral infections, such as dengue...

4. www.mayoclinic.org › symptoms-causes › syc-20351605Common cold - Symptoms and causes - Mayo Clinic

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   May 24, 2023 · Symptoms. Most often, common cold symptoms start 1 to 3 days after someone is exposed to a cold virus. Symptoms vary. They can include: Runny or stuffy nose. Sore or scratchy throat. Cough. Sneezing. Generally feeling unwell. Slight body aches or a mild headache. Low-grade fever.

5. www.webmd.com › cold-and-flu › flu-cold-symptomsFlu or Cold? Know the Differences - WebMD

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   Nov 30, 2022 · What are common flu symptoms? Flu symptoms are usually more severe than cold symptoms and come on quickly. Symptoms of flu include sore throat, fever, headache, muscle aches and soreness,...

6. my.clevelandclinic.org › health › diseasesCommon Cold: Symptoms, Cold vs. Flu, Treatment - Cleveland Clinic

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   The common cold is an infection of your nose, sinuses, throat and windpipe. Colds spread easily, especially within homes, classrooms and workplaces. More than 200 different viruses can cause colds. There’s no cure for a common cold, but it usually goes away within a week to 10 days.

7. www.healthline.com › health › cold-fluFever in Adults: Characteristics, Types, and When It's Serious

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   Sep 17, 2019 · A viral fever is a high body temperature that accompanies many viral infections. We’ll go over common symptoms of viral fevers and what causes them… READ MORE

8. People also ask

   What is a viral fever?

   • A viral fever is any fever that’s caused by an underlying viral illness. Normal body temperature is 98.6°F (37°C). Anything a degree above this is considered a fever. A variety of viral infections can affect humans, from the common cold to the flu. A low-grade fever is a symptom of many viral infections.

   Viral Fever: Symptoms, Causes, Diagnosis, Treatment, and Warning

   www.healthline.com/health/viral-fever

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   Can a bacterial infection cause a viral fever?

   • Both viral and bacterial infections often cause similar symptoms. To diagnose a viral fever, a doctor will likely start by ruling out a bacterial infection. They can do this by considering your symptoms and medical history, as well as taking any samples to test for bacteria.

   Viral Fever: Symptoms, Causes, Diagnosis, Treatment, and Warning

   www.healthline.com/health/viral-fever

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   Is a fever a sign of a serious infection?

   • A fever is a temporary rise in body temperature. It's one part of an overall response from the body's immune system. A fever is usually caused by an infection. For most children and adults, a fever may be uncomfortable. But it usually isn't a cause for concern. For infants, however, even a low fever may mean there's a serious infection.

   Fever - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/fever/symptoms-causes/syc-20352759 

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   How does a fever affect a virus?

   • A fever is your body’s way of fighting off a virus. Many viruses are sensitive to shifts in temperature, so a sudden increase in your body temperature makes you less hospitable to viruses. There are many ways that you can become infected with a virus, including: Inhalation.

   Viral Fever: Symptoms, Causes, Diagnosis, Treatment, and Warning

   www.healthline.com/health/viral-fever

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   Can a virus cause a cold?

   • Many viruses can cause a common cold. Rhinoviruses are the most common cause. A cold virus enters the body through the mouth, eyes or nose. The virus can spread by: Droplets in the air when someone who is sick coughs, sneezes or talks. Hand-to-hand contact with someone who has a cold.

   Common cold - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/common-cold/symptoms-causes/syc-20351605

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9. www.mayoclinic.org › diseases-conditions › feverFever - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org › diseases-conditions › fever

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   May 7, 2022 · Fevers below 104 F (40 C) associated with common viral infections, such as the flu, may help the immune system fight disease and are generally not harmful. Fever or elevated body temperature might be caused by: A viral infection; A bacterial infection; Heat exhaustion