My husband is very fond of dogs. Is it safe to keep a pet dog around my 2-year kid ?

I tin it OK..cos few of my friends have dog at home.. and the new born baby seem to have good term wz the dog.. and when my friend is busy doing some washing the dog even stay by the side of the baby look after and when baby cry or wake up the dog run to my friend and put her over .. but not for me cos I m afraid of dog