True about cryptococcus are all except: (A) Primarily infects lung, (B) Urease negative, (C) India-ink is used, (D) All are true
Answer is B. Ans. is `b i.e., Urease negative CRYPTOCOCCUS NEOFORMANS The only pathogenic yeast Four capsular serotypes - A, B, C and D It has polysaccharide capsule Most infections in immunocompromized patients are caused by serotype A. Pigeon droppings commonly contains serotype A and D. Eucalyptus tree contain serotype B. It is urease positive. Mode of transmission By inhalation of the fungus into the lung (most common) Through skin or mucosa (some times).