A patient presents with fever, cough with sputum and weight loss. He has a history of not completing treatment for tuberculosis thrice in the past. XDR-TB is suspected. How is XDR-Tb defined?
Resistant to INH + Rifampicin + Amikacin Resistant to INH + Amikacin + Ofloxacin + Ethambutol Resistant to INH + Rifampicin + Amikacin + Ofloxacin Resistant to Rifampicin + Amikacin+ Ofloxacin