PATHOLOGY

Detailed explanation-1: -Many different respiratory viruses can cause the common cold, but rhinoviruses are the most common. Rhinoviruses can also trigger asthma attacks and have been linked to sinus and ear infections.

Detailed explanation-2: -The common cold is a viral illness for which the etiology can be shown in most cases. Bacterial coinfections are very rare. Antibiotic treatment is not necessary in otherwise healthy young adults with common colds.

Detailed explanation-3: -The common cold, also known as upper respiratory tract infection (URI), is an acute, self-limited viral infection of the upper airway that also may involve the lower respiratory tract. The characteristic symptom complex consisting of rhinorrhea, nasal congestion, and sore or scratchy throat is familiar to all adults.

Detailed explanation-4: -More than 200 different viruses are known to cause the symptoms of the common cold. An estimated 30-35% of all adult colds are caused by rhinoviruses. In people with asthma, particularly children, rhinovirus infections are also frequently associated with flare-ups.