"Mom is in the grocery store. Old lady comes up to coo at baby, sneezes on mom and baby. Both are upset. Mom nurses baby in the parking lot. Germs from baby's mouth go into the breast when baby nurses. Breast begins manufacturing antibodies to those germs. Baby nurses at night, begins getting those antibodies. 3 days later, mom has the cold, baby doesn't, due to the diathelic immunity." Margie, Yes Ive heard of this. Cant recall a reference for it. I did act on it last year after developing cold symptoms while at work I came home and immediately kissed my wife before touching our baby. She wasnt exactly thrilled at the double purpose of my kiss, to get her exposed first but I said "would you rather I sneeze on your breast?" -Rob Rob Cordes, DO, FAAP, FACOP Wilkes Barre PA mail to: [log in to unmask]