Investigation December 8, 2020 12:16 am How Safe Will the COVID-19 Vaccine Be for Adults and Children? A COVID-19 vaccine is on the horizon, but how effective will it be and is it safe for children? Joel Grover reports for NBC4 News at 11 p.m. on Dec. 7, 2020. US & World Videos 3:28 Adopt-a-Family events spread holiday cheer to those in need 1:01 Riverside County residents spot possible drones 0:56 Custom license plate wasn't mocking Oct. 7 attack, family says 2:00 Temecula residents capture possible drone sightings 1:19 Stabbing investigation at liquor store in Hawthorne