4.7 Article

Enhanced Replication of Highly Pathogenic Influenza A(H7N9) Virus in Humans

Journal

EMERGING INFECTIOUS DISEASES
Volume 24, Issue 4, Pages 746-750

Publisher

CENTERS DISEASE CONTROL
DOI: 10.3201/eid2404.171509

Keywords

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Funding

  1. Japan Initiative for Global Research Network on Infectious Diseases from the Japan Agency for Medical Research and Development (AMED)
  2. Leading Advanced Projects for Medical Innovation from AMED
  3. e-ASIA Joint Research Program from AMED
  4. Ministry of Education, Culture, Science, Sports, and Technology of Japan [16H06429, 16K21723, 16H06434]
  5. Center for Research on Influenza Pathogenesis - US National Institutes of Health, National Institute of Allergy and Infectious Diseases [HHSN272201400008C]
  6. Chugai Pharmaceuticals
  7. Daiichi Sankyo Pharmaceutical
  8. Toyama Chemical
  9. Tauns Laboratories, Inc.
  10. Tsumura Co.
  11. Denka Seiken Co., Ltd.
  12. Grants-in-Aid for Scientific Research [16H06434] Funding Source: KAKEN

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To clarify the threat posed by emergence of highly pathogenic influenza A(H7N9) virus infection among humans, we characterized the viral polymerase complex. Polymerase basic 2-482R, polymerase basic 2-588V, and polymerase acidic-497R individually or additively enhanced virus polymerase activity, indicating that multiple replication-enhancing mutations in 1 isolate may contribute to virulence.

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