Fleas and baby

So I happen to have fleas in my home and can’t seem to get them to go away 100%. It’s definitely not bad, I usually just see 1 flea about every week so it’s not like the house is infested with them. But I’m worried for my 5 month old daughter. Could it cause her any harm? I feel like such a failure cause I just can’t get them to go away completely and I just want to keep her safe.. and I’m trying not to use a flea bomb in the house since she’s at the age where she’s teething and chewing on everything possible. Please help