>>11972008This, also general discrepancies in the way cases are accumulated an reported. It has nothing to do with the actual frequency of infection, which in general will not show large changes over increments as small as one week.
if you look at the case accumulation of different states in the US, you will see different features.
Some of the states release reports once weekly, and you see this as spikes.
Some of them report continuously, so you see no regular spikes.
Some of them even changed the way they reported over the course of the pandemic.
For this reason, it is more helpful to look at 7- or 10-day moving averages, because these reduce the artificial high frequency component and show the trend more clearly
