Federal education minister Jason Clare has called for a national database of childcare workers and their employment histories – to be accessible at the press of a button.

This comes after revelations alleged child abuser Joshua Dale Brown worked at more centres than initially thought, bringing the total to 23.

It's prompted authorities to urge more than two-thousand children to be tested for infectious diseases.

• Guest: Jonno Duniam, Shadow Minister for Education and Early Learning and Senator for Tasmania
• Producers: Teodora Agarici and Lexie Jeuniewic