KGO ABC World News Tonight With David Muir September 8, 2021 22:37:00
And 17, they're getting infected at a higher rate than any other age group. and since school started back in july, 960,000 children have tested positive for covid. david? >> all right, kaylee hartung tonight. kaylee, thank you. you heard dr. fauci say there, we must remain focused on the delta variant here in this country, spreading and quickly. but there is also concern over this new variant, the mu variant. and still major questions about the potential for booster shots, a third shot. so, let's get right to dr. ashish jha, dean of the brown university school of public health. dr. jha, great ...