Cherise Rohr-Allegrini, PhD, MPH, Public Health Consulting

Cherise Rohr-Allegrini, PhD, MPH, Public Health Consulting Twitter

Epidemiologist and Scientist with an expertise in science and public health communication, disaster management and outbreak investigations, infectious diseases, vector-borne diseases, public health policy and advocacy.

Since I'm reactivating this page, I'll talk about my day job. For the past 6 years, my life has revolved around the San ...
08/11/2026

Since I'm reactivating this page, I'll talk about my day job.
For the past 6 years, my life has revolved around the San Antonio AIDS Foundation (SAAF). And that means I spend a lot of time discussing HIV.

I also read. A LOT. Fiction that is. I seek out stories that include HIV/AIDS because I want to see how it's being conveyed (usually not well). I've also taken to reading fanfic lately ☺️. FanFic are stories written by fans of novels who use the same characters and basic plot but change the story. Readers can leave comments on the story.

There's a very popular book series/show that has spurred many fanfics, and one includes HIV. In general, HIV is dealt with accurately. But what struck me were the comments - the character with HIV is undetectable and has been for years. The other character (exclusive relationship) decides they want to go condomless.

Many commenters called this reckless and risky.

The author addressed it well, but it made me realize how many people don't understand U=U.

Undetectable = Untransmittable.

When a person living with HIV takes their medication regularly, it suppresses the viral load to the point the virus is virtually undetectable (

As a public health professional, the past 1.5 years have been atrocious, the past two weeks horrifying, and today, beyon...
08/11/2026

As a public health professional, the past 1.5 years have been atrocious, the past two weeks horrifying, and today, beyond comprehension.

As many of you know, I spent much of the 2010s working for The Immunization Partnership, a group dedicated to saving lives in Texas through immunizations. It was not an easy time, but even then I could not have imagined what we face today.

The childhood schedule exists as is because it has been studied, scientifically proven to be safe and effective.

VACCINES SAVE LIVES.

Go to a cemetery and look at graves prior to 1950. Most of those kids died from diseases that are NOW vaccine preventable.

These are truly the darkest days. We have let grifters and charlatans take over public health. Destruction of our public health infrastructure has happened at a rapid pace. Rebuilding will take decades.

Please. Follow AAP's vaccine schedule. The CDC, unfortunately, no longer exists as a trusted resource.

Sharing the adolescent schedule as I don't have the childhood one handy, will share tomorrow.

07/29/2026

Cherise Rohr-Allegrini, a local epidemiologist, discussed how long ...

07/29/2026

In late December 2020, I was among an early cohort to receive the COVID vaccine, thanks to UT Health. The joy we felt when the vaccine became available was unmatched.

As a former pandemic planner, watching 2020 unfold, with science and public health taking a back seat to politics was infuriating.
Today, in 2026, having seen our public health systems be decimated by politics, and now attacks on the key public health expert who helped us get through the pandemic, I'm terrified.

For someone who has spent 30+ years in public health, I can't comprehend why people in power would rather people die than listen to science.

I've lost track of how many COVID vaccines I've gotten (I think 6 - I've gotten at least that many TdAP and far more flu vax). I did get COVID once, a mild version of it thanks to having been vaccinated.

VACCINES SAVE LIVES.
Dr. Anthony Fauci is an expert. And now, a hero for standing up for science and health.

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