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Mike Hoerger, PhD MSCR MBA Profile picture
@michael_hoerger
Aug 12, 2025 • 12 tweets • 5 min read • Read on X
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PMC COVID Dashboard, August 11, 2025 (U.S.)

The CDC says transmission is heating up.

"Very High" (3)
🔺Guam
🔺Hawai'i
🔺Louisiana

"High" (12)
🔺Alabama
🔺Alaska
🔺California
🔺Colorado
🔺Delaware
🔺Florida
🔺Indiana
🔺Mississippi
🔺Nevada
🔺S. Carolina
🔺Texas
🔺Utah

🧵1/12Heat map from CDC data. High/Very high states noted in post
Transmission is highest in these regions. Graphics note the CDC levels and PMC prevalence estimates.

🔥Louisiana (Very High): 1 in 19 actively infectious
🔥Guam (Very High): 1 in 26
🔥Hawai'i (Very High): 1 in 28
🔥Texas (High): 1 in 45

🧵2/12 Graphics show heat maps and prevalence estimates, noted in the post
Statewide transmission remains "High" in Florida, according to the CDC. PMC estimates 1 in 50 actively infectious.

Several cities report "Very High" transmission. Several sites are offline.

🧵3/12 Heat map and prevalence estimate noted in the post
Statewide transmission remains "High" in California, according to the CDC, but notice that transmission is "Very High" in many cities.

PMC estimates 1 in 56 are actively infectious statewide, and at least 1 in 40 in the dark red zones.

🧵4/12 CDC heat map and PMC prevalence estimate, summarized in post
New Today:

For each state, the PMC dashboard now lists CDC levels, prevalence estimates, and chances of an exposure based on gathering size.

This chart continues in the next post.


🧵5/12 pmc19.com/dataState/Territory Level Category Actively Infectious Alabama 5.72 High 1 in 60 (1.7%) Alaska 6.15 High 1 in 55 (1.8%) Arizona 0.93 Very Low** 1 in 367 (0.3%) Arkansas 3.90 Moderate 1 in 88 (1.1%) California 6.08 High 1 in 56 (1.8%) Colorado 4.63 High 1 in 74 (1.4%) Connecticut 4.23 Moderate 1 in 81 (1.2%) Delaware 4.64 High 1 in 74 (1.4%) District of Columbia 3.04 Moderate 1 in 112 (0.9%) Florida 6.81 High 1 in 50 (2.0%) Georgia 3.44 Moderate 1 in 99 (1.0%) Guam 13.33 Very High** 1 in 26 (3.9%) Hawaii 12.30 Very High 1 in 28 (3.6%) Idaho 2.49 Low 1 in 137 (0.7%) Illinois 2.99 Low 1 in 114 (0....
In addition to our new state-level table (continued here), you can always scroll down further on the dashboard to find links to more CDC and non-CDC data in your area (if available).

Direct link to those sources:

🧵6/12 pmc19.com/data/index.php…State/Territory Level Category Actively Infectious Missouri 3.65 Moderate 1 in 93 (1.1%) Montana 3.44 Moderate 1 in 99 (1.0%) Nebraska 2.34 Low 1 in 146 (0.7%) Nevada 7.74 High 1 in 44 (2.3%) New Hampshire 1.07 Very Low 1 in 320 (0.3%) New Jersey 2.02 Low 1 in 169 (0.6%) New Mexico 2.67 Low 1 in 128 (0.8%) New York 1.07 Very Low** 1 in 318 (0.3%) North Carolina 3.34 Moderate 1 in 102 (1.0%) North Dakota 2.82* Low** 1 in 121 (0.8%) Ohio 1.96 Low 1 in 174 (0.6%) Oklahoma 1.75 Low** 1 in 195 (0.5%) Oregon 3.22 Moderate 1 in 106 (0.9%) Pennsylvania 3.14 Moderate 1 in 108 (0.9%) Rhode Island 2.7...
Our forecast continues to show levels likely rising.

There are many sites offline and huge data lags, so these real-time estimates are imperfect. Notice the low versus high estimates in the forecast.

Much uncertainty. Track locally as best you can.
🧵7/12 Past year of transmission and current forecast, amid much uncertainty. Transmission is rising, but it's difficult to know in real-time how steeply.
Notice that current transmission (red) is closely tracking that of the Delta wave (blue, 4 years ago).

I cannot imagine transmission peaking much lower than that. With uncertainty (NY mostly offline), the peak could be marginally higher or wider.

🧵8/12 year-over-year graph described in post
We remain in a pandemic. An estimated 1 in 93 are actively infectious today.

Expect the real-time estimates to bounce up or down a bit with the sites offline and lags in reporting. Biobot (20% model weight) took the week off entirely.

🧵9/12 "Whole pandemic" graph
Today in the U.S.

🔥More transmission than 53% of days from pandemic onset to present
🔥3.6 million weekly infections
🔥Actuarial-derived estimates suggest this week's infections will cause 1,300-2,100 excess deaths

🧵10/12 Current Levels for Aug 11, 2025 % of the Population Infectious 1.1% (1 in 93) New Daily Infections 512000 New Weekly Infections 3584000 Resulting Weekly Long COVID Cases 179,000 to 717,000 Resulting Weekly Excess Deaths 1,300 to 2,100 Monthly Forecast Average % of the Population Infectious 1.5% (1 in 65) Average New Daily Infections 733233.3333 New Infections During the Next Month 21997000 Resulting Monthly Long COVID Cases 1,100,000 to 4,399,000 Resulting Monthly Excess Deaths 7,900 to 13,100 Running Totals Infections Nationwide in 2025 95754000 Average Number ...
Register and join us Sunday for the "Back-to-School Health Forum."


Could you comment here with any questions you'd like me to answer on Sunday?

🧵11/12 bit.ly/MTAHealthForumBack-to-School health forum, link provided in post
Find the full PMC dashboard online: pmc19.com/data

Please use/improve/share across platforms.

I'm on lG a bit more lately trying to boost C19 awareness, so find me there too.
instagram.com/michael_hoerge…

🧵12/12 Full PMC dashboard, described in prior posts

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More from @michael_hoerger

Mike Hoerger, PhD MSCR MBA Profile picture
Dec 31, 2025
PMC COVlD Update, Week of Dec 29, 2025
🧵1/10

Happy New Year's Eve! #nye

Based on today's CDC data, we estimate 1 in 51 Americans are actively infectious with COVlD. That's nearly 1 million new daily infections.

Be wise. Vax up, mask up. #oneofthetwo Heat map from CDC data and PMC estimates.
🧵2/10

Many states are surging presently. True levels are higher than shown in most places due to state-level reporting lags. Alabama Moderate 1 in 46 (2.2%) Alaska Low 1 in 93 (1.1%) Arizona Very Low 1 in 201 (0.5%) Arkansas High* 1 in 32 (3.1%) California Very Low 1 in 351 (0.3%) Colorado Low 1 in 71 (1.4%) Connecticut High 1 in 33 (3.1%) Delaware Low 1 in 90 (1.1%) District of Columbia Very Low 1 in 300 (0.3%) Florida Very Low 1 in 282 (0.4%) Georgia Very Low 1 in 125 (0.8%) Guam Very Low 1 in 585 (0.2%) Hawaii Very Low 1 in 855 (0.1%) Idaho Very Low 1 in 221 (0.5%) Illinois Moderate 1 in 41 (2.5%) Indiana Very High 1 in 14 (6.9%) Iowa Low 1 in 69 (1.4%) Kansas Moderate 1 in 46 (2.2%) Kentucky High 1 in 34 (2.9...
🧵3/10

Although many states are surging, do not feel false security in "low" level states. For example, NY has terrible reporting quality with the CDC currently. Missouri Moderate* 1 in 56 (1.8%) Montana Low 1 in 76 (1.3%) Nebraska Very High 1 in 18 (5.5%) Nevada Very Low 1 in 122 (0.8%) New Hampshire Moderate* 1 in 42 (2.4%) New Jersey Very Low 1 in 113 (0.9%) New Mexico Moderate 1 in 62 (1.6%) New York Very Low* 1 in 127 (0.8%) North Carolina Very Low 1 in 125 (0.8%) North Dakota Moderate* 1 in 43 (2.3%) Ohio High 1 in 28 (3.6%) Oklahoma Very High 1 in 25 (4.0%) Oregon Very Low 1 in 170 (0.6%) Pennsylvania Moderate 1 in 45 (2.2%) Rhode Island Moderate 1 in 41 (2.4%) South Carolina Low 1 in 84 (1.2%) South Dakota High 1 in 33 (3.0%) Tennessee Moder...
Read 10 tweets
Mike Hoerger, PhD MSCR MBA Profile picture
Dec 15, 2025
PMC COVID Update, Dec 15, 2025 (U.S.)

In the latest CDC data, 15 states have moderate to very high transmission.
🔹1 in 63 estimated actively infectious nationally, rising fastest in the Midwest & Northeast
🔹Very High: Indiana
🔹High: Nebraska, Vermont, Connecticut

🧵1/9 Heat map from CDC data and PMC estimates of 1 in 63 actively infectious and >700,000 new daily infections, based on wastewater derived estimates using models noted in the Technical Appendix at the website listed in the image.
PMC estimates 1 in 26 people in Indiana are infectious and 1 in 39 in Connecticut.

MI, MS, and AR may have higher levels than shown due to poor reporting.

States AL to MS shown.

🧵2/9 Alabama Moderate 1 in 41 (2.4%) Alaska Very Low 1 in 220 (0.5%) Arizona Very Low 1 in 118 (0.8%) Arkansas Low* 1 in 68 (1.5%) California Very Low 1 in 382 (0.3%) Colorado Very Low* 1 in 230 (0.4%) Connecticut High 1 in 39 (2.6%) Delaware Very Low 1 in 222 (0.4%) District of Columbia Very Low 1 in 131 (0.8%) Florida Very Low 1 in 320 (0.3%) Georgia Very Low 1 in 275 (0.4%) Guam Very Low 1 in 426 (0.2%) Hawaii Very Low 1 in 670 (0.1%) Idaho Very Low 1 in 108 (0.9%) Illinois Low 1 in 71 (1.4%) Indiana Very High 1 in 26 (3.8%) Iowa Low 1 in 76 (1.3%) Kansas Moderate 1 in 62 (1.6%) Kentucky Mode...
PMC estimates 1 in 39 are infectious in both Nebraska and Vermont (coincidence, not typo).

Very few NY sites are reporting to the CDC, so use the NYS website there instead.

States MO to WY shown.

🧵3/9 Missouri Low 1 in 80 (1.2%) Montana Very Low 1 in 135 (0.7%) Nebraska High 1 in 39 (2.5%) Nevada Very Low 1 in 225 (0.4%) New Hampshire Moderate 1 in 47 (2.1%) New Jersey Very Low 1 in 200 (0.5%) New Mexico Low 1 in 75 (1.3%) New York Moderate* 1 in 49 (2.1%) North Carolina Very Low 1 in 226 (0.4%) North Dakota Low* 1 in 85 (1.2%) Ohio Moderate 1 in 62 (1.6%) Oklahoma Moderate* 1 in 47 (2.1%) Oregon Low 1 in 89 (1.1%) Pennsylvania Moderate 1 in 55 (1.8%) Rhode Island Low 1 in 70 (1.4%) South Carolina Very Low 1 in 215 (0.5%) South Dakota Low 1 in 86 (1.2%) Tennessee Moderate 1 in 60 (1.7%) ...
Read 9 tweets
Mike Hoerger, PhD MSCR MBA Profile picture
Dec 8, 2025
PMC COVlD Update, Dec 8, 2025 (U.S.)
1/9
🔥🔥🔥Very High: Arizona (Yuma)
🔥🔥High: Indiana and Vermont
🔥Moderate: Nebraska and Alabama

Data only go through late November, and levels often increase following Thanksgiving. Heat map and PMC estimates of transmission (1 in 102 actively infectious).
PMC COVlD Update, Dec 8, 2025 (U.S.)
2/9
State-by-state estimates (part 1). Arizona is Very High, but sites were only online in the Yuma area. Indiana remains high.

MI and MS have considerable uncertainty.

DC is exceptionally low. Alabama Moderate 1 in 47 (2.1%) Alaska Very Low 1 in 220 (0.5%) Arizona Very High* 1 in 18 (5.7%) Arkansas Very Low* 1 in 138 (0.7%) California Very Low 1 in 574 (0.2%) Colorado Low 1 in 76 (1.3%) Connecticut Low 1 in 91 (1.1%) Delaware Very Low 1 in 307 (0.3%) District of Columbia Very Low 1 in 5,777 (0.0%) Florida Very Low 1 in 494 (0.2%) Georgia Very Low 1 in 180 (0.6%) Guam Very Low 1 in 289 (0.3%) Hawaii Very Low 1 in 704 (0.1%) Idaho Very Low 1 in 121 (0.8%) Illinois Very Low 1 in 112 (0.9%) Indiana High 1 in 30 (3.3%) Iowa Low 1 in 83 (1.2%) Kansas Low 1 in 105 (1.0%) Kentucky Very L...
PMC COVlD Update, Dec 8, 2025 (U.S.)
3/9
State-by-state estimates (part 1). Vermont remains High. Tennessee has fallen rapidly from a quick surge.

Data quality are low in NY. Missouri Very Low 1 in 176 (0.6%) Montana Very Low 1 in 136 (0.7%) Nebraska Moderate 1 in 45 (2.2%) Nevada Very Low 1 in 372 (0.3%) New Hampshire Very Low 1 in 109 (0.9%) New Jersey Very Low 1 in 217 (0.5%) New Mexico Very Low 1 in 118 (0.8%) New York Very Low* 1 in 260 (0.4%) North Carolina Very Low 1 in 233 (0.4%) North Dakota Low* 1 in 101 (1.0%) Ohio Low 1 in 70 (1.4%) Oklahoma Low* 1 in 68 (1.5%) Oregon Very Low 1 in 150 (0.7%) Pennsylvania Low 1 in 89 (1.1%) Rhode Island Very Low 1 in 187 (0.5%) South Carolina Very Low 1 in 144 (0.7%) South Dakota Low 1 in 82 (1.2%) Tennessee Very Low...
Read 9 tweets
Mike Hoerger, PhD MSCR MBA Profile picture
Nov 23, 2025
PMC COVlD Update, Week of Nov 24, 2025 (U.S.)
🧵1/10

With CDC data operational again, the transmission map is back. The data are always a week old, so transmission is likely worse than depicted.

We estimate 1 in 116 people actively infectious and 422,000 new daily infections. Heat map: Indiana and Arkansas with "moderate" transmission. All others, "low" or "very low" (CDC categories).
PMC COVlD Update, Week of Nov 24, 2025 (U.S.)
🧵2/10

State level estimates are back. Note, the CDC changed their data processing approach in August, which tends to downplay transmission.

Does 1 in 45 in Indiana seem "moderate"?

Levels in MI may be mod/high (poor reporting). Alabama Very Low 1 in 153 (0.7%) Alaska Very Low 1 in 272 (0.4%) Arizona Low 1 in 63 (1.6%) Arkansas Moderate* 1 in 47 (2.1%) California Very Low 1 in 365 (0.3%) Colorado Very Low 1 in 137 (0.7%) Connecticut Low 1 in 103 (1.0%) Delaware Very Low 1 in 262 (0.4%) District of Columbia Very Low 1 in 418 (0.2%) Florida Very Low 1 in 408 (0.2%) Georgia Very Low 1 in 292 (0.3%) Guam Very Low 1 in 887 (0.1%) Hawaii Very Low 1 in 426 (0.2%) Idaho Very Low 1 in 116 (0.9%) Illinois Very Low 1 in 116 (0.9%) Indiana Moderate 1 in 45 (2.2%) Iowa Very Low 1 in 108 (0.9%) Kansas Very Low 1 in 109 (0.9%) Ke...
PMC COVlD Update, Week of Nov 24, 2025 (U.S.)
🧵3/10

State-level estimates (continued).

Current levels may be much higher than noted here. Note that CDC data are always at least a week old. The 2nd half of November is a time period historically of accelerating transmission. Missouri Very Low 1 in 202 (0.5%) Montana Very Low* 1 in 114 (0.9%) Nebraska Low 1 in 95 (1.1%) Nevada Very Low 1 in 228 (0.4%) New Hampshire Low 1 in 78 (1.3%) New Jersey Very Low 1 in 192 (0.5%) New Mexico Very Low 1 in 151 (0.7%) New York Very Low 1 in 212 (0.5%) North Carolina Very Low 1 in 212 (0.5%) North Dakota Very Low* 1 in 116 (0.9%) Ohio Very Low 1 in 109 (0.9%) Oklahoma Low* 1 in 70 (1.4%) Oregon Very Low 1 in 194 (0.5%) Pennsylvania Very Low 1 in 111 (0.9%) Rhode Island Very Low 1 in 167 (0.6%) South Carolina Very Low 1 in 112 (0.9%) South Dakota Very Low 1 in 127 (0.8%) Tennes...
Read 10 tweets
Mike Hoerger, PhD MSCR MBA Profile picture
Nov 8, 2025
PMC COVID Update, Week of Nov 10, 2025 (U.S.)
1/6🧵

🔹301,000 new daily infections based on wastewater-derived models
🔹1 in 162 people (0.6%) actively infectious
🔹Levels the past 2 months corrected upward by Biobot
🔹"Lull point" estimated between Nov 5-21. Rising soon. Year over year graph, emphasizing that levels commonly rise in mid November
PMC COVID Update, Week of Nov 10, 2025 (U.S.)
2/6🧵

The central estimate of the forecast suggests we will surpass 500,000 new daily infections on Nov 22.

There's a 25% chance of a prolonged lull like last year. More likely, we are in wave territory by the end of the month. Close up of the most recent 3 months of data, including the forecast.
PMC COVID Update, Week of Nov 10, 2025 (U.S.)
3/6🧵

We are presently in a lull between the 11th and 12th wave. Now is the time to get boosted and stock up on N95 masks, tests, and air purifier filters.

Do a DIY fit test if you've been putting it off. Graph of the 11 waves
Read 6 tweets
Mike Hoerger, PhD MSCR MBA Profile picture
Nov 3, 2025
PMC COVlD Update, Nov 3, 2025 (U.S.)
1 of 9 🧵

The relative "lull" in SARS-CoV-2 transmission is unlikely to go much lower.

✨1 in 209 people are estimated actively infectious, likely the lowest levels of 2025 nationwide.

Get boosted. Stock up on masks, tests, & filters. Year-over-year graph
PMC COVlD Update, Nov 3, 2025 (U.S.)
2 of 9 🧵

No data presently suggest the rise of a winter wave any earlier than "usual."

If following historical trends, transmission will pick up Nov 15-29. Last year's rise was atypically late. Forecasted transmission
PMC COVlD Update, Nov 3, 2025 (U.S.)
3 of 9 🧵

Expect rising misinformation/disinformation as transmission heats up:
🔹Abuse of community notes, particularly surrounding wastewater methodology
🔹Paid bot army attacks, especially about boosters & masks
Read 9 tweets

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