Dr. Tom Frieden engagement report
@DrTomFrieden - 234K followers on X
Measured over 15 original posts from a 30-day window, last computed on September 29, 2026.
Engagement
A typical post picks up 28 interactions against 234K followers, an engagement rate of 0.012%. Measured over 15 original posts, its engagement rate beats 26% of 21,185 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 5.3K times each, and 0.531% of those impressions turn into an interaction. That is about 2.25% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.5 post a day over the last 30 days, with activity on roughly 47% of days. Most posts go out around 14:00 UTC, and Thursday is the busiest day of the week. Of the 15 posts sampled, 80% carry an image or video and 53% link out. The account's strongest tracked post pulled 1.4K interactions, about 48x its own typical post.
Measured over 15 original posts from a 30-day window, last computed on September 29, 2026.
Compared with accounts its own size
Dr. Tom Frieden's engagement rate beats 26% of the tracked X accounts closest to it in follower count (21,185 accounts, accounts of similar size (decile 9 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.
On engagement per impression rather than per follower it beats 27% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.
Where this sits in the catalog
At 0.012%, Dr. Tom Frieden sits above the 10th percentile of the 212,741 accounts in this comparison. That places it in the bottom 25% band, which runs below 0.025%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.025% |
| 50th percentile | 0.146% |
| 75th percentile | 0.697% |
| 90th percentile | 2.61% |
| 99th percentile | 82.8% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 14:00 UTC, and Thursday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 89K |
| 01:00 UTC | -2% | 90K |
| 02:00 UTC | -3% | 88K |
| 03:00 UTC | -4% | 94K |
| 04:00 UTC | -5% | 76K |
| 05:00 UTC | -4% | 75K |
| 06:00 UTC | -5% | 86K |
| 07:00 UTC | -5% | 93K |
| 08:00 UTC | -4% | 108K |
| 09:00 UTC | -4% | 124K |
| 10:00 UTC | -3% | 129K |
| 11:00 UTC | -3% | 141K |
| 12:00 UTC | -3% | 154K |
| 13:00 UTC | -3% | 167K |
| 14:00 UTC | -4% | 173K |
| 15:00 UTC | -2% | 176K |
| 16:00 UTC | -3% | 171K |
| 17:00 UTC | -3% | 159K |
| 18:00 UTC | -2% | 149K |
| 19:00 UTC | -2% | 141K |
| 20:00 UTC | -1% | 131K |
| 21:00 UTC | 0% | 116K |
| 22:00 UTC | -2% | 100K |
| 23:00 UTC | -1% | 90K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 393K |
| Monday | +1% | 483K |
| Tuesday | -2% | 520K |
| Wednesday | -3% | 472K |
| Thursday | -2% | 430K |
| Friday | -3% | 447K |
| Saturday | +2% | 393K |
Formats this account uses
Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.
| Format | This account | Catalog effect | 95% interval | Accounts behind it |
|---|---|---|---|---|
| Image or video | 80% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 53% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | +15% | +14% to +16% | 32K |
- 80% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
- 53% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts, so a large share of this account's output sits in the weakest bucket we measure.
- Its average post runs 330 characters, which falls in the over 280 characters band. Across the catalog, posts over 280 characters run 15% above the same accounts' other posts.
These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.
Best tweets
- Jun 27, 202648x their median
The screwworm barrier worked for nearly six decades because people funded and staffed it. Because we let down our guard, the vampire pathogen is back, and could cost billions of dollars to control. https://t.co/InRVNWVyTO https://t.co/9P9nhei6ZS
- Aug 11, 202618x their median
Federal vaccine recommendations may change, but the facts haven’t. Vaccines have saved millions of lives from preventable disease and are essential to children's health. https://t.co/sxKYc7ftLX
- Aug 10, 202612x their median
A new executive order injects disproven claims into the process by which doctors and nurses advise parents and, if followed, will result in more illness, hospitalizations, and deaths of American children. Although concern for the number of childhood vaccine doses is understandable, multiple studies show the plain truth: —Spreading vaccines out over more visits does not reduce any risk of adverse reactions, but is certain to increase the number of children unprotected from serious, preventable illness because vaccine series aren’t completed, and to increase parental days lost from work and patient costs; —There is no evidence that subjecting children to three shots instead of one with the measles, mumps, and rubella vaccine would do anything to protect children, and it would result in more stressful and painful vaccinations; —Although moving to "shared clinical decision-making” for vaccines such as hepatitis B and rotavirus sounds reasonable, it would be a deadly mistake. Shared decision-making is appropriate when the risks and benefits of an intervention are equally balanced. In the case of these and other vaccines, the risks are vastly lower than the benefits of vaccination. Doctors don’t engage in shared clinical decision-making about whether to suture a bleeding wound. Parents are always free to accept physician recommendations or not, but failing to recommend something that is proven to be beneficial is an abdication of federal responsibility. For more than 60 years, the Advisory Committee on Immunization Practices (ACIP) was a model for the world in transparent, fact-based decision-making. Replacing that process with a presidential directive and pressuring states to weaken school requirements are giant steps backward. Parents have to make tough decisions every day to care for their children and need sound, evidence-based guidance. This executive order undermines the ability of doctors and nurses to provide accurate information to their patients.
- Jun 25, 202610x their median
The State Department’s plan will basically destroy PEPFAR and lead to the closure of many CDC country offices—a scenario that would jeopardize the health of millions and make Americans less safe. https://t.co/UiLFoOXTg4
- Sep 17, 20269.6x their median
"I'm not going to take away anybody's vaccines.” - Health Secretary Kennedy, November 2024. Covid vaccination cuts a child's risk of hospitalization by about two thirds. Half of American children, 35 million kids, get their vaccines through the Vaccines for Children Program. CDC hasn't yet ordered their Covid shots. Other families can get the vaccine at a pharmacy today. These 35 million children can't. https://t.co/W5MYQpJMux
- Jun 10, 202615x their median
Erica Frazier Stum died at 33 of cervical cancer—a disease a vaccine could have prevented. HPV vaccination reduces cervical cancer risk by up to 80%. Australia is on track to eliminate cervical cancer entirely. Yet only 63% of U.S. teens are up to date on the vaccine. Read this powerful piece by @LizSzabo. https://t.co/dvKkWOU3po
- Aug 7, 20268.5x their median
Although some evidence suggested that getting vaccinated against shingles also lowers your risk of dementia, it wasn’t enough to be a slam dunk. New studies now offer stronger evidence. So how do we adjust our baseline thinking and recommendations when new information arises? https://t.co/Vlr0Ps8Cil
- Jun 6, 202614x their median
Ebola is an unforgiving enemy and requires a massive, immediate, and meticulous response, as I write in @statnews. Contact tracing, quarantine, and rapid isolation control spread. A vaccine and treatment are urgently needed, but we can control the outbreak without them—if the world acts to support communities, health workers, and patients in DRC right now. https://t.co/EPoBYGB3K8
- Aug 10, 20267.7x their median
A public health system at full strength catches threats when the risk is low and an effective response is easy. A weakened system finds outbreaks late, when they are big and much harder to stop.
- Jun 22, 20265.8x their median
Turning CDC into a vendor will destroy lifesaving programs and undermine health security around the world and in our own country. This isn’t global health reform, it’s abandonment. https://t.co/7OjwELAiDu
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
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Reading these numbers
A typical post picks up 28 interactions against 234K followers, an engagement rate of 0.012%. Measured over 15 original posts, its engagement rate beats 26% of 21,185 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 5.3K times each, and 0.531% of those impressions turn into an interaction. That is about 2.25% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.5 post a day over the last 30 days, with activity on roughly 47% of days. Most posts go out around 14:00 UTC, and Thursday is the busiest day of the week. Of the 15 posts sampled, 80% carry an image or video and 53% link out. The account's strongest tracked post pulled 1.4K interactions, about 48x its own typical post.
- What is Dr. Tom Frieden's engagement rate on X?
- Dr. Tom Frieden (@DrTomFrieden) has an engagement rate of 0.012%, based on the median interactions across 15 original posts from the last 30 days against 233,839 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.012%, Dr. Tom Frieden sits above the 10th percentile of the 212,741 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @DrTomFrieden have real engagement?
- Its engagement rate beats 26% of the tracked X accounts closest to it in follower count (21,185 accounts), which puts it in the middle of its size range group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
- When does @DrTomFrieden post?
- Most posts go out around 14:00 UTC, and Thursday is its busiest day, at roughly 0.5 posts per day across the measured window.