which of the following may cause more infant deaths?
About 1,500 infants died of SIDS in 2014. SIDS is the leading cause of death for infants aged 1 to 12 months. Unknown Cause. The sudden death of an infant less than 1 year old that remains undetermined because one or more parts of the investigation was not completed. Safe to Sleep CDC is working with the National Institutes of Health in its Safe to Sleep campaign, formerly known as the Back to Sleep campaign.