 ABC's Andy Field. The Centers for Disease Control and Prevention charting a course for a COVID vaccination campaign this fall. ABC's Dave Packer. An updated recommendation that all Americans aged six months and older get a COVID vaccine and a flu vaccine this fall. The CDC says people who got vaccinated last year saw greater protection against hospitalization and illness. But even for those who've gotten the vaccine in the past, protection offered by COVID and flu vaccines lessen over time, particularly against newer mutations of the viruses.