A four-day-old girl child, born to Rajan and Parvathi hailing from Sholayur, died of heart ailments.
She was declared brought dead at the government medical college in Thrissur, they added.
In another case, a three-day-old male child of Murugan and Vinooja died at Varagambady in the region.
She suffocated on the breast milk while her mother was nursing her, they said.
Though the baby boy was rushed to a hospital in Coimbatore, his life could not be saved, health officials here said.
Attappady is one of the tribal settlements where large number of infant deaths have been reported in recent times.
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