My kids grew up with cats ..... I now have 12 cats and my 3 month old grandaugter and her parents are with us .... and we have no problems at all.
These are all old wives tales and a load of hooey.
2 boxers Miki & Monty
Boy Cats: Tucker,Freeway,Tyson,Copicat,Mike
Girl Cats : Magic, Garfield, Buggie,Lexie,Spike,Ginger,Blue,Spooky,Rotten, Trouble
2 Conures,2 African Greys,1 Black winged Jardine