What are the seasonal patterns of rhinoviral, coronaviral, enteroviral, and adenoviral upper respiratory tract infections (URIs)?

Updated: Jun 21, 2018
  • Author: Anne Meneghetti, MD; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

The figure below illustrates the peak incidences of various agents by season. Rhinoviruses, which account for a substantial percentage of URIs, are most active in spring, summer, and early autumn. Coronaviral URIs manifest primarily in the winter and early spring. Enteroviral URIs are most noticeable in summer and early fall, when other URI pathogens are at a nadir. Adenoviral respiratory infections can occur throughout the year but are most common in the late winter, spring, and early summer.

Seasonal variation of selected upper respiratory t Seasonal variation of selected upper respiratory tract infection pathogens. PIV is parainfluenza virus, RSV is respiratory syncytial virus, MPV is metapneumovirus, and Group A Strept is group A streptococcal disease.

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