why do you think so? >> i think every decision you have to make has to be a way of the risk versus benefits. i live in an area that has higher rates of vaccination. dr. walensky said this is one of the most transmissible viruses we've ever seen, respiratory viruses. i have two young children at home and i don't want them to get sick. while i do feel good about the protection i have from the vaccine, i don't want to get sis being. the mask is an inconvenience for some, not particularly inconvenient for me. i'm used to wearing it. it's a simple measure i can take to increase that level of protection in an era where we have a virus that's much more transmissible than before. >> jerome adams told anderson cooper he thinks the cdc needs to clarify the mask virus.