<prompt> All are true about Shigella except:Large dose is required for infectionAssociated with hemolytic uremic SyndromeCauses bloody diarrhea with mucusGut pathology is due to toxin.  <response>: Ans. is a i.e. Large dose is required for infection. Shigella is highly communicable .The infective dose for shigella is less. It can be as low as 10 -100 bacilli because they survive gastric acidity better than other enterobacteriae.I had a hard time confirming the choice D.After going through Paniker Page 264 6the, Jawetz Page 224 22nde, Harrison Page 97615the I came to the conclusion that -r 