The interesting trend in Sao Paulo is still ongoin

The interesting trend in Sao Paulo is still ongoing despite the relatively stable new covid cases trend show no real irregularities over the last 30 days
Sao Paulo:
Nov. 4th: 124 deaths (7day average: 61)
Nov. 5th: 115 deaths (7day average: 60)
Nov. 6th: 179 deaths (7day average: 77)
Nov. 7th: 11 deaths (7day average: 75)
Nov. 8th: 0 deaths (7day average: 73)
Nov. 9th: 2 deaths (7day average: 64)
Nov. 10th: 9 deaths (7day average: 63)
Nov. 11th: 1 deaths (7day average: 45)


Brazil (all states):
Nov. 4th: 436 deaths (7day average: 229)
Nov. 5th: 389 deaths (7day average: 228)
Nov. 6th: 328 deaths (7day average: 242)
Nov. 7th: 59 deaths (7day average: 232)
Nov. 8th: 126 deaths (7day average: 236)
Nov. 9th: 183 deaths (7day average: 241)
Nov. 10th: 280 deaths (7day average: 257)
Nov. 11th: 188 deaths (7day average: 222)


I am not sure what to think about that.
1. It is very unlikely that LL has such an impact on the death rate in this short timeframe. If so, we would have filled our trial within 2 weeks just with patients from Sao Paulo. Where are the reported deaths from the control group (1:1 ratio)?
2. Are other trials, which started in the last months, suddenly impacting the number of critical patients and therefore the number of deaths/ day?
3. Or is this simply reporting issues in Sao Paulo which will be fixed soon?

Over the last 30 days, the COVID death rate in brazil is slowly decreasing.
The challenge to gather a statistical relevant number of critical COVID patients getting tougher each week. Better hurry up!