To Assess the Association Between Kawasaki Syndrome (KS) and Carpet

To assess the association between Kawasaki syndrome (KS) and carpet shampoo, investigators conducted a case‐control study with 100 cases (children with KS) and 100
Controls (children without KS) .Among the children with KS, 50 had a history of recent
Exposure to carpet shampoo.Among the controls, the number with a recent history of
Exposure to carpet shampoo was 25.For this study, the odds ratio was:

A) 1.0
B) 2.0
C) 3.0
D) Cannot be calculated from the information given