Answer: Escherichia coli
Explanation:
The infection of bladder is known as urinary tract infection.This is usually caused by Escherichia coli.This is a type of gram negative bacteria.
This bacteria is commonly found in the gastrointestinal tract of women cause cystitis. Women are more likely to suffer from UTI because of the small distance between the urethra to anus and opening to bladder.
Symptoms include:Frequent urge to urinate, painful urination, urine appears cloudy.