Six children from a kindergarten in Moreno received expired chickenpox vaccines, in a "programmatic error" Two municipal officials are being investigated. One million Argentine children are not vaccinated against dangerous diseases, according to the Argentine Society of Pediatrics.

They warn that in Argentina more than 1 million children between 0 and 11 years old either did not receive any of the free and mandatory vaccines included in the National Vaccination Calendar or did not complete the schedules regarding the number of doses. The two people who were in charge of the operation were removed from their position and an investigation was initiated.