Selected article for: "different number and human virus"

Author: Kim, Chang-Keun; Callaway, Zak; Gern, James E.
Title: Viral Infections and Associated Factors That Promote Acute Exacerbations of Asthma
  • Document date: 2017_10_13
  • ID: u4rtnyj7_8
    Snippet: RV is the most prevalent human respiratory virus and is classified into 3 species (A, B, and C), with each of these species comprised of a number of different types: A (80 types), B (32 types), and C (up to 55 types). 28 Within each species, there is considerable genetic and antigenic heterogeneity; 28 while among species, A and C are phylogenetically closer than B and C. RV-A and RV-B were originally classified according to sensi-tivity to capsi.....
    Document: RV is the most prevalent human respiratory virus and is classified into 3 species (A, B, and C), with each of these species comprised of a number of different types: A (80 types), B (32 types), and C (up to 55 types). 28 Within each species, there is considerable genetic and antigenic heterogeneity; 28 while among species, A and C are phylogenetically closer than B and C. RV-A and RV-B were originally classified according to sensi-tivity to capsid-binding drugs, and RV-C was classified by sequence-based criteria. 29 RV circulates throughout the year but in many geographic areas appears to have distinct peaks of incidence in the fall and spring. 30 Infection rates remain substantial for the rest of the year.

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