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. 2008 Jun 19;178(7):667–672. doi: 10.1164/rccm.200802-309OC

Figure 1.

Figure 1.

Viral etiology of wheezing illnesses in the first 3 years of life in children with and without asthma at age 6 years. Frequency of rhinovirus (RV) wheezing illnesses during the first 3 years of life increased in children with asthma (n = 73) and decreased in children without asthma (n = 186) at age 6 years. AdV = adenovirus; CV = coronaviruses (OC143, NL63, and 0229); EnV = enteroviruses; Flu = influenza types A and B; MPV = metapneumoviruses; PIV = parainfluenza virus types 1–4; RSV = respiratory syncytial virus.