KGO ABC World News Tonight With David Muir April 10, 2021 00:40:00
Children need to be careful, they need to wear their mask and socially distance. >> reporter: the cdc tracking clusters of cases tied to youth sports. the virus hitting high school basketball player zach derus in illinois, though it's not clear where he got infected. >> i had the fever at first, and then when it really hit me that i had it is when i lost my taste and lost my smell. >> really important to keep in mind as he move forward on this. whit, we have been reporting on the human error, that mixup of ingredients at a baltimore plant making the johnson & johnson one-shot vaccine. those do...