The "dip" people are talking about in pneumonia cases is caused by the lag in reporting of deaths through the CDC.

Here is a chart of every CDC pneumonia report over time.

There is always a dip.

@ScottAdamsSays @balajis @DellAnnaLuca @chambersallan
The CDC's technical notes for COVID reporting are absolutely fabulous. They clear up a lot of misconceptions about what is tracked and how.

You can find them at the bottom of this page (worth the 5 minute read).

https://www.cdc.gov/nchs/nvss/vsrr/COVID19/index.htm
I know there's a problem where things jump around in this animation. I originally thought it was just messy data, but I believe now this is caused by my misinterpretation of the CDC’s URI schema.
The CDC appears to use a flu season for their year which is approx. Oct of one year to Sept of the next and I inferred they were using a calendar year (Jan – Dec).
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