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What is True about E. coli is - and explain in detail?
Ans. is 'c' i.e., UTI is caused by single serotype only Urinary tract infection with E.Coli can be caused by several serotypes. The serotypes generally responsible are 0 antigen types 1, 2, 4, 6, 7. etc. K antigen type can also cause urinary tract infection. Remember only one serotype is generally isolated from infected urine at a time, though recurrances may be due to different serotypes. About other options . Sereny test is done for Enteroinvasive E. coli. . Enteropathogenic E. coli is not invasive. . Most common organism to infect burn wound ---> Pseudomonas followed by S. Aureus