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The infection may last from a few to ten days. [2] The cough may persist for several weeks afterward with the total duration of symptoms usually around three weeks. [2] [1] Some have symptoms for up to six weeks. [3] In more than 90% of cases, the cause is a viral infection. [1]
The symptoms are mostly due to the body's immune response to the infection rather than to tissue destruction by the viruses themselves. [15] The symptoms of influenza are similar to those of a cold, although usually more severe and less likely to include a runny nose. [6] [16] There is no vaccine for the common cold. [3]
The infection then makes its way down to the bronchi. Symptoms include coughing up sputum, wheezing, shortness of breath, and chest pain. Bronchitis can be acute or chronic. [1] Acute bronchitis usually has a cough that lasts around three weeks, [4] and is also known as a chest cold. [5] In more than 90% of cases, the cause is a viral infection ...
For some, COVID-19 symptoms may persist weeks to months after the initial infection. In 2022, 6.9% of US adults reported to have experienced long COVID, according to a CDC survey .
How long the symptoms last depends on the severity of the case. With more mild cases (meaning that symptoms are similar to the common cold or flu), people tend to get better on their own after a ...
“In adults over the age of 65, symptoms almost always include a cough, whereas with the flu, coughing is usually just present in about two-thirds of patients,” he says.
Adenovirus infection is a contagious viral disease, caused by adenoviruses, commonly resulting in a respiratory tract infection. [ 1 ] [ 9 ] Typical symptoms range from those of a common cold , such as nasal congestion , rhinitis , and cough , to difficulty breathing as in pneumonia . [ 9 ]
This timing matters because the type of pink eye one has often determines if one is contagious and how long symptoms will generally last. "Viral conjunctivitis lasts a few days to a week," says ...