Babies shouldn't drink unscreened donor breast milk, doctors
Donor breast milk that's screened, pasteurized and distributed through milk banks can protect preemies against serious illness, but donated milk bought online or obtained from friends can actually make babies sick, say U.S. pediatricians.

In its first policy statement on donor human milk, the American Academy of Pediatrics (AAP) advises against using internet-based or informal human milk sharing. These sources of human milk carry the risk of bacterial or viral contamination, or exposure to medications, drugs, herbs or other substances....