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  2. We're in flu season. What are symptoms? How to tell it's not ...

    www.aol.com/were-flu-season-symptoms-tell...

    Here's the symptoms. ... COVID-19 can show up later than the cold or flu, the Mayo Clinic says. Meanwhile, a cold infection doesn’t usually cause fever or headache, but those are common with flu ...

  3. Common cold symptoms vs. flu or COVID: What to look for

    www.aol.com/common-cold-symptoms-vs-flu...

    According to Mayo Clinic, the common cold is usually viral and resolved within a week to 10 days. Here are some symptoms according to the organization: Runny or stuffy nose.

  4. Doctors Explain What It Means When You Have Chills But No Fever

    www.aol.com/9-reasons-might-chills-no-210200160.html

    Although fever is a common symptom of Covid-19, some people infected with the virus report chills without a fever. So, if you have chills along with other common Covid symptoms, such as a sore ...

  5. Subclinical infection - Wikipedia

    en.wikipedia.org/wiki/Subclinical_infection

    A subclinical infection—sometimes called a preinfection or inapparent infection—is an infection by a pathogen that causes few or no signs or symptoms of infection in the host. [1] Subclinical infections can occur in both humans and animals. [ 2 ]

  6. Upper respiratory tract infection - Wikipedia

    en.wikipedia.org/wiki/Upper_respiratory_tract...

    An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [ 3 ] [ 4 ] This commonly includes nasal obstruction, sore throat, tonsillitis , pharyngitis , laryngitis , sinusitis , otitis media , and the common cold .

  7. Symptoms of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Symptoms_of_COVID-19

    People with the COVID-19 infection may have different symptoms, and their symptoms may change over time. Three common clusters of symptoms have been identified: a respiratory symptom cluster with cough, sputum , shortness of breath , and fever; a musculoskeletal symptom cluster with muscle and joint pain, headache, and fatigue; and a cluster of ...

  8. Norovirus Is Surging Across The Country. Here Are The ... - AOL

    www.aol.com/norovirus-surging-across-country...

    Unfortunately, norovirus infections can and do happen. “Norovirus is a ubiquitous virus that everyone experiences multiple times in their life,” Adalja says. The best you can do is try to ...

  9. Streptococcal pharyngitis - Wikipedia

    en.wikipedia.org/wiki/Streptococcal_pharyngitis

    [9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck. A headache and nausea or vomiting may also occur. [11] Some develop a sandpaper-like rash which is known as scarlet fever. [2] Symptoms typically begin one to three days after exposure and last seven to ten days. [2] [3] [11]