appointment to get tested. >> 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 the christmas spectacular shows are canceled for the rest of the season due to increasing challenges of the pandemic. and pharmacies, store shelves, for rapid tests, sit empty. all echoes of the past. people fear, with more than an hour to be tested with the hand spread. >> this is coming yesterday twice and not being able to get tested. >> 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. >> the past is prologue, as new york's mayor redoubles restrictions and considers scaling back the times square new years eve celebration.