Mike Hoerger, PhD MSCR MBA Profile picture
Expert in weighing medical evidence, cancer, COVID forecasting & mitigation, health disparities, financial analytics. 120 publications. PhD program director.

Sep 23, 8 tweets

PMC COVlD Dashboard, Sep 22, 2025 (U.S.)

The CDC reports 29 states & DC are experiencing High or Very High transmission.

The heat map is a patchwork quilt with COVlD levels varying considerably state by state.

Transmission is shifting north + east.
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PMC COVlD Dashboard, Sep 22, 2025 (U.S.)

COVlD levels by state, AL to MS.

Note that even levels the CDC calls "Low" like Guam at 1.5% actively infectious are at the threshold where I would tell people who have lapsed that it's time to #MaskUp.

🧵2/8

PMC COVlD Dashboard, Sep 22, 2025 (U.S.)

COVlD levels by state, Missouri to Wyoming.

New York is a good example of where the CDC label of "Moderate" simply does not cut it. 1 in 49 is very high, and the data quality statewide has been poor.

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PMC COVlD Dashboard, Sep 22, 2025 (U.S.)

PMC presently estimates transmission peaked on Sep 6 at 1.24 million new daily infections.

Our forecasts were in the range of 1.0-1.3 mil with a peak timed to Sep 6-13, based on rocky & lagged real-time data. Hope it helped you.

🧵4/8

PMC COVlD Dashboard, Sep 22, 2025 (U.S.)

New weekly infections are estimated at 6.5 million nationwide, leading to thousands of new long-term sequelae, and an eventual ≈3,000 excess deaths.

Only about 1 in 44 infections are being reported.

🧵5/8

PMC COVlD Dashboard, Sep 22, 2025 (U.S.)

Current SARS-CoV-2 transmission (red line) is eerily tracking that of 2 years ago (yellow).

The good news is the sudden apparent decline from peak transmission. To see the bad news track the yellow line's autumn "lull."

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PMC COVlD Dashboard, Sep 22, 2025 (U.S.)

Our central forecast has national transmission declining steadily the next several weeks, but there is considerable statewide variation.

Historically, 60% of SARS-CoV-2 transmission occurs on the back end of waves.

🧵7/8

PMC COVlD Dashboard, Sep 22, 2025 (U.S.)

Protect yourself. You have value. The long-term benefits of reducing cumulative reinfections are tremendous.

The vast majority of PMC dashboard users protect themselves with multilayered mitigation.

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