Freezing human milk is recommended to inactivate cytomegalovirus (CMV). A case of a preterm infant exclusively receiving frozen breast milk from his CMV seropositive mother showed that storage of breast milk for two months at −20°C did not prevent symptomatic postnatal CMV infection.
- CMV, cytomegalovirus
- BAL, bronchoalveolar lavage fluid
- PCR, polymerase chain reaction
- breast milk
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Funding: this study was supported by a grant from Deutsche Forschungsgemeinschaft (DFG), Bonn, Germany (DFG HA 1559/2-1).
Competing interests: none declared
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