because as you mentioned, we've got a lot of other viruses out there, rsv, flu, other corona viruses that cause this. in general, i'll say if you are coughing or you know someone who is sneezing or coughing, stay away, that's a good option. wash your hands. remember, flu can live on surfaces. so, even if you have no one diagnosed with flu in your household, wiping surfaces including doorknobs and handles, it's a very good step. >> what about the cone, covid infections? i have covid. i'm home. wait a minute, this thing hasn't gone away. now, i have all these other weird symptoms. do i have the flu? i can find out. i should leave the house and i'm currently quarantining. have you been seeing a lot of that? >> not a lot. i would say still somewhat uncommon too rare to get infection. certainly more common in people who have chronic conditions or compromised conditions, like cancer patients. i warned them that it can be a