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Common Cold
How Colds are Spread?
Depending on the virus type, any or all of the following routes of transmission may be common:
• Touching infectious respiratory secretions on skin and on environmental surfaces and then touching the eyes or nose.
• Inhaling relatively large particles of respiratory secretions transported briefly in the air.
• Inhaling droplet nuclei: smaller infectious particles suspended in the air for long periods of time.
Research on rhinovirus transmission. Much of the research on the transmission of the common cold has been done with rhinoviruses, which are shed in the highest concentration in nasal secretions. Studies suggest a person is most likely to transmit rhinoviruses in the second to fourth day of infection, when the amount of virus in nasal secretions is highest. Researchers also have shown that using aspirin to treat colds increases the amount of virus shed in nasal secretions, possibly making the cold sufferer more of a hazard to others.
What are the causes of Common Cold?
What are the symptoms of Common Cold?
How Cold Viruses Cause Disease?
