<prompt> XDR-TB is defined as:-MDR-TBMDR - TB resistance to any of injectable 2nd line drugsMDR - TB resistance to any of fluoroquinolonesMDR - TB resistance to any of fluoroquinolones resistance to any of injectable 2nd line drugs  <response>: TYPE RESISTANCE TO Mono drug resistance Any one of H, Z and E Poly drug resistance Any two or all 3 of H, Z and E Rifampicin resistance R with or without other drugs except H Multi drug resistance MDR H and R Extensive drug resistance XDR H and R any of FQ any of injections 