Subclinical avian influenza A(H5N1) virus infection in human, Vietnam

Emerg Infect Dis. 2013 Oct;19(10):1674-7. doi: 10.3201/eid1910.130730.

Abstract

Laboratory-confirmed cases of subclinical infection with avian influenza A(H5N1) virus in humans are rare, and the true number of these cases is unknown. We describe the identification of a laboratory-confirmed subclinical case in a woman during an influenza A(H5N1) contact investigation in northern Vietnam.

Keywords: H5N1; Vietnam; asymptomatic; avian influenza; avian influenza A(H5N1); clades; human; influenza; poultry; subclinical; viruses.

Publication types

  • Case Reports
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Adult
  • Amino Acid Substitution
  • Animals
  • Asymptomatic Infections
  • Chickens / virology
  • Contact Tracing
  • Dogs
  • Fatal Outcome
  • Female
  • Humans
  • Infant
  • Influenza A Virus, H5N1 Subtype / genetics*
  • Influenza in Birds / transmission
  • Influenza in Birds / virology*
  • Influenza, Human / diagnosis*
  • Influenza, Human / transmission
  • Influenza, Human / virology
  • Madin Darby Canine Kidney Cells
  • Male
  • Middle Aged
  • Molecular Diagnostic Techniques
  • Phylogeny
  • Polymerase Chain Reaction
  • Vietnam
  • Zoonoses