Extensively drug-resistant (XDR) tuberculosis: An old and new threat

Lanfranco Fattorini, Giovanni Battista Migliori, Antonio Cassone

Research output: Contribution to journalArticlepeer-review


Tuberculosis (TB) remains a worldwide emergency (8 million new cases per year, 2 million deaths annually) mostly affecting poor countries. To this old, persistent threat, a new emergency is adding further challenge, i.e., the multidrug-resistant TB, which in its extreme and highly lethal form is called XDR TB (extensively drug-resistant TB). How to fight XDR TB is a high research and public health priority.

Original languageEnglish
Pages (from-to)317-319
Number of pages3
JournalAnnali dell'Istituto Superiore di Sanita
Issue number4
Publication statusPublished - 2007


  • Drug resistance
  • Drug susceptibility testing
  • First-line drugs
  • Mycobacterium tuberculosis
  • Second-line drugs

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health


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