Viral infections of the respiratory tract are common events in all age groups and are the leading cause of mortality in children under 5 years of age in developing countries [1]. These infections cause significant economic burden, with estimated direct and indirect medical costs in the US exceeding $70 billion annually [2, 3]. Children under the age of 5 have an average incidence rate of four to six viral respiratory infections/year and the rate gradually decreases to one to two/year in most adults [4].
CITATION STYLE
Prasad, S., Lownik, E., & Ricco, J. (2016). Viral infections of the respiratory tract. In Family Medicine: Principles and Practice (pp. 507–517). Springer International Publishing. https://doi.org/10.1007/978-3-319-04414-9_41
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