Welcome to HCM
We understand your concerns
Hygiene practices are always good and we are supposed to practice it properly. But here the question not what you are asking. You are not having OCD
also. This type of thinking is quite normal. But once we get an answer to the question, then we should get satisfied. If not ask an expert and confirm. Once confirmed, such question should not arise.
Second, are you aware, in how many circumstances, in everyday life, we forgo hygienic practices? Try to go through every daily activities and ask the question to you. you will get the answer for your questio0n.