On Sunday, CNN reported that the CDC held a video conference with approximately 800 staff members to discuss the traumatic event and allow them to ask questions. Staff said they felt like "sitting ducks" as bullets whizzed just over their cubicle walls and they dove for the floor.

Documents from the shooter’s home showed his discontent with coronavirus vaccines, authorities said. CDC workers want RFK Jr. to denounce vaccine misinformation.

CDC staffers are voicing frustration over RFK Jr.’s past vaccine comments, following Friday’s shooting at the agency’s headquarters in Atlanta that left one officer dead.