long testing and vaccination lines in miami and familiar fears of exposure. >> i'm so scared. so i decided to make an appointment to get tested just in case. >> reporter: in new york city, the positivity rate has doubled in just four days. city health adviser tweeted we've never seen this before in nyc. a return to holiday tradition is halted, once again. radio city music hall announced its christmas spectacular shows are cancelled for the rest of the season due to increasing challenges from the pandemic. and pharmacies, store shelves for rapid tests sit empty. all, echoes of the past. people here waited more than an hour to be tested as omicron reveals its rapid spread. >> this is after coming yesterday twice and then not being able to get tested here. >> this is a whole new animal. and we got to be honest about the fact that it is moving very fast and we have to move faster. >> reporter: the past is prolog,