Methods
A prospective viral surveillance study in children less than two years, admitted with fever and/or respiratory symptoms in Amman, Jordan, 2010-2013. Demographic and clinical characteristics were collected through parent interviews and medical chart abstraction. Nasal/throat swabs were collected and tested by qRT-PCR. Multivariable logistic regression was fit to assess the association between wheezing anda-priori selected predictors of interest.