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What is Burkholderia cepacian is intrinsically resistant to: and explain in detail?
Ref. Robbins Pathology. 9th edition. Page. 300
 
Burkholderia. Features: 

Gram-negative opportunists found in moist environments like Pseudomonas.  
Case infections in people with cystic fibrosis and immunocompromised patients  (Burkholderia cepacia complex).  
These are intrinsically resistant to PolyMyxin B
Burkholderia pseudomallei causes melioidosis, an infectious disease endemic in  Southeast Asia; it also causes localized infection as well as systemic (e.g., not just  pneumonia).