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Common Cold Transmission
Facts about upper respiratory infections:
- An upper respiratory infection is very contagious.
- People with an upper respiratory infection release the virus into the air on droplets of mucus when they sneeze or cough.
- The virus enters the lungs of others when they inhale the droplets.
- The virus may also be spread through contact with saliva.
- Touching a contaminated object then touching the mouth or eyes will spread the virus.
PubMed Common Cold References
- Bachert C, Chuchalin AG, Eisebitt R, Netayzhenko VZ, Voelker M. Aspirin compared with acetaminophen in the treatment of fever and other symptoms of upper respiratory tract infection in adults: a multicenter, randomized, double-blind, double-dummy, placebo-controlled, parallel-group, single-dose, 6-hour dose-ranging study. Clin Ther. 2005 Jul;27(7):993-1003. 
- Fahey T, Stocks N, Thomas T. Systematic review of the treatment of upper respiratory tract infection. Arch Dis Child. 1998 Sep;79(3):225-30. 
- Islam J, Carter R. Use of Echinacea in upper respiratory tract infection. South Med J. 2005 Mar;98(3):311-8. 
- Lam TP, Lam KF. Why do family doctors prescribe antibiotics for upper respiratory tract infection? Int J Clin Pract. 2003 Apr;57(3):167-9. 
- Ray DA, Rohren CH. Characteristics of patients with upper respiratory tract infection presenting to a walk-in clinic. Mayo Clin Proc. 2001 Feb;76(2):169-73.