Over 40 lakh children took the vaccine on January 3, the day COVID vaccination opened for teenagers in the 15 to 18 age group.
The Central Bureau of Investigation (CBI) on Saturday arrested four Kerala Police officials in connection with a custodial death case in Tanur.
The Kerala State Child Rights Commission registered a case on Friday into the incident where a newborn was found dead, covered in a plastic bag on the street of a posh residential area in Kochi.