Rhinoviruses

Definition

Rhinoviruses are a group of viruses responsible for the common cold, primarily affecting the upper respiratory tract. They are part of the Picornaviridae family and are highly contagious.

5 Must Know Facts For Your Next Test

1. Rhinoviruses are the most common viral infectious agents in humans.
2. They thrive at temperatures between 33-35°C, which is why they infect the nose and throat.
3. Transmission occurs through direct contact with infected individuals or contaminated surfaces and inhalation of airborne droplets.
4. There are over 100 serotypes of rhinoviruses, making vaccine development challenging.
5. Symptomatic treatments include decongestants and antihistamines; antibiotics are ineffective as rhinoviruses are not bacteria.

Review Questions

• What family do rhinoviruses belong to?
• How do rhinoviruses primarily transmit from person to person?
• Why is it difficult to develop a vaccine for rhinoviruses?

Related terms

Picornaviridae: A family of small RNA viruses that includes rhinoviruses.

Antimicrobial Drugs: Medications used to treat infections caused by microorganisms, including bacteria, fungi, and viruses.

Disease Transmission: The mechanism by which infectious agents spread from one host to another.