"Kesiha is overly concerned with germs, she spends hours wiping surfaces at her home and washing her hands." The obsession here is : Concern over germs.
ObsessionsObsession are ideas or thoughts that persistently comes to one's mind which may cause a sense of irritation, fear, distress, disgust or anxiety.
They are reccurent thoughts.
People with OCDs constantly have these unreasonable thoughts about germs and diseases and constantly washes their hands and wipes the surfaces of the homes.
Learn more about "Obsession" here :
https://brainly.com/question/7276679