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The common cold is an infection of the upper respiratory tract which can be caused by many different viruses. The most commonly implicated is a rhinovirus (30–80%), a type of picornavirus with 99 known serotypes . [ 33 ]
Rhinovirus is the most common viral infectious agent in humans and is the predominant cause of the common cold. [1] The three species of rhinovirus (A, B, and C) include at least 165 recognized types that differ according to their surface antigens or genetics. [2] They are among the smallest viruses, with diameters of about 30 nanometers.
One example is the adenovirus, another common virus that typically causes mild cold- or flu-like illness in people of all ages. “It is going around right now and even ran through my own family ...
Adenovirus infection is a contagious viral disease, caused by adenoviruses, commonly resulting in a respiratory tract infection. [1] [10] Typical symptoms range from those of a common cold, such as nasal congestion, coryza and cough, to difficulty breathing as in pneumonia. [10]
Colds Are Also Caused by Viruses. As many as 200 different viruses could be causing your sniffles, but the most common culprit is the rhinovirus. It accounts for up to half of all colds and can ...
There are more than 200 respiratory viruses that can cause colds, with rhinoviruses being the most common in the U.S. According to the CDC , adults have an average of two to three colds every year ...
Coronaviruses have a worldwide distribution, causing 10–15% of common cold cases (the virus most commonly implicated in the common cold is a rhinovirus, found in 30–50% of cases). [17] Infections show a seasonal pattern with most cases occurring in the winter months in temperate climates, and summer and spring in warm climates.
The virus, which typically causes the common cold, is behind a large wave of illnesses in Los Angeles County, where data show that at least 30% of positive respiratory virus tests have come back ...