Dr. Manisha Juthani replaces Renee Coleman-Mitchell, who was fired at the height of the COVID-19 pandemic.
State Health Commissioner Renee Coleman-Mitchell said Friday that the child was not infectious while at school.
The data released by the state also shows the number of students claiming the religious exemption from vaccination shot up by 25% last school year.
Democratic legislators ignited controversy by suggesting the state repeal its religious exemption to mandatory vaccinations.
Rep. Rosa DeLauro, who has asked federal regulators to take e-cigarettes off the shelves, tackled the twin threats posed by teen vaping and an epidemic of lung injuries.
The administration of Gov. Ned Lamont is shaping up as one of the most racially diverse in Connecticut history.