New Jersey on Thursday reported seven new COVID-19 deaths and 2,571 new confirmed positive tests as Moderna pushes for children under the age of 6 to be vaccinated. Moderna asked U.S. regulators Thursday to authorize low doses of its COVID-19 vaccine for children younger than 6, a long-awaited move toward potentially opening shots for millions of tots by summer. New Jersey’s seven-day average for confirmed cases was 2,006 on Thursday, up 21% from a week ago, and up 138% from a month ago. The state’s seven-day average for positive tests had not been above 2,000 since Feb. 10. There were 491 pat…