critics say this evolving message isn't confusing, it's dangerous. >> the cdc should be loud and clear about implementation here because no worker should be forced to come to work when they are still sick. that is i believe what we are going to see here. we are very concerned about that. >> it is only going to lead to more illness, more cases. this is when you should be tightening your controls not lessening them. >> tonight dr. fauci was back on tv defending the cdc decision. >> what happens is you are isolated for five days. then if you are still asymptomatic at the end of the five days you can go out and do your job and re-enter society hopefully getting functions of society normal but you have to wear a mask. early in infection for the first several days you have more likelihood to have a high level of virus and to be capable of spreading it. as you get into the second half of the dane period we know that the virus in general not for