I am so sad and worry right now please help me

Last weekend we stayed in a hotel in Niagara Falls middle of night hobby gets bits but neither of me and 2 babies of us

so I didn’t take it serious.

the day after he got bits in our bed and yet I didn’t take it serious this Saturday all of us got a horrible bits while sleeping in 3 different rooms, it was the first time I have seen and know about bed bugs in my life we did all cleaning vacuuming steaming spraying and washing all of clothes all Weekend but today morning my little one got new bits I am disappointed and don’t know what to do