Pneumonia — United States
As of October 2019, Gideon and the Gideon e-book series contain details of 69 204 epidemiological surveys, of which 1107 (1.6%) are related to the prevalence of specific viral species in patients with respiratory tract infection (1-3).
The following chronology of published studies summarizes the relative proportion of viral agents associated with non-influenza childhood respiratory infection in the USA. Additional details and primary references are available on request.
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