Reactive arthritis is usually caused by -
High-Yield Explanation
Ans. is 'a' i.e.. Shigella Flexneri o Organisms that have been associated with Reiter Arthritis include the follow ing:C trachomatis (L2b serotype)Ureaplasma urealyticumNeisseria gonorrhoeaeShigella flexneriSalmonella enterica serovars TyphimuriumMycoplasma pneumoniaeMycobacterium tuberculosisYersinia enterocolitica and pseudotuberculosisCampylobacter jejuniClostridium difficileBeta-hemolytic (example, group A) and viridans streptococci