key term - Common cold

Definition

The common cold is a viral infection primarily affecting the upper respiratory tract, characterized by symptoms such as sneezing, coughing, and a runny nose. It is most commonly caused by rhinoviruses but can also be due to other viruses like coronaviruses.

5 Must Know Facts For Your Next Test

1. Rhinoviruses are responsible for approximately 50% of common colds.
2. Transmission occurs through respiratory droplets and direct contact with contaminated surfaces.
3. The incubation period for the common cold typically ranges from 1 to 3 days.
4. Symptoms usually resolve within 7 to 10 days without medical intervention.
5. There is no specific antiviral treatment for the common cold; management focuses on symptomatic relief.

Review Questions

Related terms

Rhinovirus:

A type of virus that is the predominant cause of the common cold.

Respiratory Droplets: Small droplets expelled from the respiratory tract during coughing or sneezing that can transmit infectious agents.

Incubation Period:

The time interval between exposure to an infectious agent and the appearance of symptoms.