Bacteria showing antigenic variation ?: (A) Yersinia, (B) Bordetella, (C) Brucella, (D) Borrelia
Answer is D. Ans. is 'd' i.e., Borrelia Bacteria showing antigenic variation are :? i) Neisseria (Meningococci, Gonococci) ii) Streptococcus spp iii) Mycoplasma iv) Borrelia burgdorferi