Influenza

Wkly Epidemiol Rec. 1991 Mar 22;66(12):86-7.
[Article in English, French]
No abstract available

MeSH terms

  • Bulgaria / epidemiology
  • Czechoslovakia / epidemiology
  • Germany / epidemiology
  • Humans
  • Incidence
  • Influenza, Human / epidemiology*
  • Netherlands / epidemiology
  • Norway / epidemiology
  • Switzerland / epidemiology
  • Thailand / epidemiology