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Ricardo Castillo

@ricardocasney.bsky.social
236 followers 174 following 7 posts

Epidemiologist at Penn Medicine, veterinarian, infectious disease researcher, and #OneHealth advocate 🇵🇪 🇺🇸

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Reposted by Ricardo Castillo
Prof Peter Hotez MD PhD DSc(hon) @peterhotezmdphd.bsky.social · 13/03/2026
@pennmedicine.bsky.social @penncssm.bsky.social
Penn
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Ricardo Castillo @ricardocasney.bsky.social · 04/02/2026
Check out this blog entry here wakeforestid.com/posts/2026-0... from Brinkley Bellotti.
wakeforestid.com
Why Dog Rabies Persists—and What It Takes to Eliminate It – Wake Forest School of Medicine Section on Infectious Diseases
Despite being entirely preventable, dog rabies causes 60,000 human deaths annually. Research in Arequipa, Peru explores how facility location algorithms and staggered vaccination campaigns can overcom...
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Aaron Rupar @atrupar.com · 21/12/2025
HASSETT: If the Supreme Court doesn't find with us, refunds would go to whoever cut the check for the tariff BRENNAN: Doesn't the administration claim it was the country that paid that? HASSETT: Uhh --
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Matt Ortega @mattortega.com · 05/12/2025
"The Donald Trump administration has changed which holidays qualify for free entrance to national parks, removing two holidays celebrating Black people and adding the president’s birthday."
sfgate.com
National parks change prioritizes Trump birthday over days honoring Black people
Free entrance days at national parks no longer include MLK Day and Juneteenth.
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Jake Scott, MD @jakescottmd.bsky.social · 27/11/2025
Given falsehoods claimed by our FDA commissioner, it's worth reposting this excellent @theatlantic.com article by @katherinejwu.com. US broader vaccine schedule reflects our higher disease burden, fragmented healthcare & gaps vs Denmark's 6M with universal care. www.theatlantic.com/health/archi...
theatlantic.com
The Obvious Reason the U.S. Should Not Vaccinate Like Denmark
It isn’t Denmark.
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Mary Todd @marytodd.bsky.social · 25/11/2025
Louisiana resident here. Gobsmacked by this appointment. A true outrage.
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Dr. Lucky Tran @luckytran.com · 25/11/2025
Article:
nytimes.com
Doctor Critical of Vaccines Quietly Appointed as C.D.C.’s Second in Command
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Dr. Lucky Tran @luckytran.com · 25/11/2025
Ralph Abraham, CDC’s new deputy director: - halted Louisiana’s mass vaccination campaign - promoted discredited treatments like ivermectin - delayed deadly whooping cough outbreak warnings - backed anti-fluoride policies - fought to repeal ACA He should not be making national health decisions!
Ralph Abraham, the CDC’s new deputy director
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Kathleen Bachynski @bachynski.bsky.social · 25/11/2025
“Dr. Ralph Abraham, who as Louisiana’s surgeon general ordered the state health department to stop promoting vaccinations and who has called Covid vaccines “dangerous,” has been named the second in command at the Centers for Disease Control and Prevention.” @jackiantonovich.bsky.social
nytimes.com
Doctor Critical of Vaccines Quietly Appointed as C.D.C.’s Second in Command
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Wajahat Ali @wajali.bsky.social · 24/11/2025
He betrayed his oath as a doctor and voluntarily supported a man whose insane policies will kill children, all for the sake of power, MAGA, and politics. I hope he is shamed for life. www.politico.com/news/2025/11...
politico.com
Vaccine-supporting Cassidy declines to speak against RFK Jr.
But Sen. Bill Cassidy, a physician, did emphasize his belief that vaccines are safe.
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Gregg Gonsalves @gregggonsalves.bsky.social · 24/11/2025
#billcassidy is the worst of the cowards of this era. he could have stopped the RFK Jr nomination and he didn’t. he still refuses to lift a finger to save lives. what an odious little man.
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The New York Times @nytimes.com · 24/10/2025
For decades, the White House’s 42-seat movie theater was a refuge for the commander in chief. Now it is gone, demolished this week along with the rest of the East Wing as part of President Trump’s efforts to construct a $300 million ballroom.
nyti.ms
The White House’s Movie Theater Is Among the East Wing Rubble
Nixon watched “Patton” there. Obama hosted the “Lincoln” cast. Built in 1942, the White House’s private movie theater offered refuge and entertainment.
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The Bulwark @thebulwark.com · 10/10/2025
George was just trying to get to work. ICE pepper-sprayed him, dragged him from his car, locked him in a detention center, and placed him on suicide watch. He even missed his young daughter’s birthday in the process. This man is a veteran and American citizen. Don't look away.
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Seth Abramson @sethabramson.bsky.social · 11/10/2025
Are American citizens being disappeared? Yes. Are American citizens who are veterans of the US Armed Forces being disappeared? Yes. Without warrant or probable cause—solely based on skin color—Trump goons captured and caged a citizen veteran for days. This is a fascist regime.
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Mattathias Schwartz @schwartzesque.bsky.social · 11/10/2025
NEW: “The significance of the public’s interest in having only well-trained LE officers deployed in their communities and avoiding unnecessary shows of military force in their neighborhoods cannot be overstated." Our story on Judge Perry's ruling, free gift link >> www.nytimes.com/2025/10/10/u...
nytimes.com
Blocking Chicago Guard Deployment, Judge Questions Government’s Veracity
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Mary Elizabeth Sutherland @meharpist.bsky.social · 09/10/2025
I really like my job because it allows me to contribute to important @nature.com papers like this one, which shows that online media and large language models (LLMs) distort age and gender in stereotypical ways. Learn more in this video 🧪 www.youtube.com/watch?v=4Vdw...
youtube.com
Age and Gender Distortion in Online Media and Large Language Models
YouTube video by Douglas Guilbeault
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Thomas Mock @thomasmock.bsky.social · 08/10/2025
Fully funded #PhD Studentship in my lab! Get in touch 😀 The role of light-driven proton pumps in sustaining oceanic primary production #microbial #rhodopsins #diatom #ocean @ueaenv.bsky.social www.findaphd.com/phds/project...
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Pete Buttigieg @petebuttigieg.bsky.social · 08/10/2025
So far, Republicans would rather shut down the government. So Americans face flight delays, reduced services, and mounting economic damage. It's time for Trump and Republicans to change course on health care and reopen the government.
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Pete Buttigieg @petebuttigieg.bsky.social · 08/10/2025
In a few days, you may be notified that your health insurance premiums will double, because of Republican cuts to health care. Democrats are fighting to change that before it's too late.
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The New York Times @nytimes.com · 08/10/2025
In @nytopinion.nytimes.com “People often feel nostalgia for their homeland when they are far away.” In Gaza, residents feel a longing for the place they once knew — the Gaza destroyed by two years of war, writes Ghada Abdulfattah.
nyti.ms
Opinion | The Gaza I Once Knew Is Gone
After two years of war, one Gazan tells of what was lost.
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Brendan Nyhan @brendannyhan.bsky.social · 08/10/2025
Weaponizing the Justice Department. Happening right in front of us. www.nytimes.com/interactive/...
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George Takei @georgetakei.bsky.social · 07/10/2025
Utterly ridiculous.
comicsands.com
MTG Demands Eyeroll-Worthy Bill Be Passed Before Bad Bunny's Super Bowl Performance
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Seth Abramson @sethabramson.bsky.social · 07/10/2025
It seems clear—I think to everyone, now—that a false and illegal invocation of the Insurrection Act is coming before the end of the year. Media outlets should be telling us how they will prepare for this potential Treason. State governments should be telling us. Activists should be developing plans.
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Chicago Sun-Times @chicago.suntimes.com · 06/10/2025
Body-camera video appears to contradict the government’s claim that Marimar Martinez, 30, drove toward officers before one of them opened fire at her late Saturday morning in Brighton Park, her attorney claimed. trib.al/9Sxu9IN
trib.al
Attorney for woman shot by Border Patrol claims officer said 'Do something b-----' before shooting
Body-camera video appears to contradict the government's claim that Marimar Martinez, 30, drove toward officers before one of them opened fire at her late Saturday morning in Brighton Park, her attorney claimed. A judge ordered Martinez and a co-defendant released pending trial.
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🎃Darin S Pumpkins🎃 @darinself.com · 29/09/2025
Its Monday morning and the President of the United States has committed another impeachable offense by threating to withhold funds from a major city in order to persuade voters not to vote for a certain candidate.
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Madhu Pai, MD, PhD @madhupai.bsky.social · 23/09/2025
“diversity is not cosmetic—it is a measurable predictor of impact. Inclusion is not ideological—it is a condition for excellence. Access is not a bureaucratic burden—it is a gateway to untapped potential and a diversity dividend” @malindasmith.bsky.social universityaffairs.ca/opinion/the-...
universityaffairs.ca
The Excellence Dividend  - University Affairs
How Diversity and Inclusion Strengthen Research Ecosystems
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Demetre Daskalakis @drdemetre.bsky.social · 20/09/2025
FINAL THOUGHT: When scientific process is not followed, the science that make the foundation for decisions is suspect and the decisions are therefore not valid. The ACIP is no longer a scientific committee. It is an ideology machine.
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Anne Applebaum @anneapplebaum.wsocial.eu · 12/09/2025
19 drones launched over several hours, from Russia and Belarus, into Poland, were not a mistake. Many of them did not carry explosives, so they had not gone astray in Ukraine....they were a probe of Poland, NATO and Trump.
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NPR @npr.org · 11/09/2025
A new study finds dozens of heat waves would be "virtually impossible" without the activity of major fossil fuel producers, including oil companies.
n.pr
Scientists link hundreds of severe heat waves to fossil fuel producers' pollution
A new study finds dozens of heat waves would be "virtually impossible" without the activity of major fossil fuel producers, including oil companies.
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Gregg Gonsalves @gregggonsalves.bsky.social · 11/09/2025
RFK Jr. has said anyone can get a COVID booster if they want one. HE IS LYING. He has created conditions that make it difficult for people to get immunized. States are stepping in; he is creating chaos. Impeach. www.theguardian.com/world/2025/s...
theguardian.com
‘The chaos is the point’: tumult as Covid vaccine boosters deployed under RFK Jr
People attempting to obtain vaccine report major hurdles amid new limitations brought in by Trump health secretary
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Sen. Cory Booker @booker.senate.gov · 09/09/2025
This decision is wrong. Allowing masked agents to racially profile people stands against the fundamental values our country was built on. As the three dissenting Justices made clear: this decision will create second class citizens, and undermines the rule of law which protects us all.
bloomberg.com
Supreme Court Lifts ICE Migrant Profiling Ban in LA for Now
Federal immigration agents in Los Angeles can resume using tactics for now that critics say amount to racial profiling, after the US Supreme Court backed the Trump administration’s aggressive enforcem...
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Nature Portfolio @natureportfolio.nature.com · 09/09/2025
A study in Nature Climate Change suggests that global warming may be associated with an increase in added sugar intake in the form of sugar-sweetened drinks and frozen desserts in the US, especially among more socioeconomically disadvantaged groups. go.nature.com/41Gch2u 🧪 🍎📃
This is figure 1, which shows the effects of temperature on added sugar consumption.
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Kat Abughazaleh @katmabu.bsky.social · 07/09/2025
The streets of Chicago are full with tens of thousands of people standing up to ICE and Trump. Join us.
A hoard of people march in the streets with protest signs. Even in heels, I am too short to properly show the massive scale of the crowd.
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Free DC @freedcproject.bsky.social · 06/09/2025
People from all over are showing up for DC. This is not a moment. It’s a movement. We are united in our demands. We are all DC! #FreeDC
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Laura Jedeed @laurajedeed.bsky.social · 06/09/2025
The crowd has no beginning and no end as it begins its march to the White House
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Alt NIH Bluesky 🧪 @altnih4science.bsky.social · 05/09/2025
Trump: “vaccines work, no controversy at all… those vaccines should be used. Some vaccines are so amazing… a lot of people think COVID [vaccine] is amazing.” Pound this, everyone!!! RFK jr is weak! He’s teetering. Redouble our efforts.
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Ohio Capital Journal @ohiocapitaljournal.com · 02/09/2025
Babies and children in the United States are nearly twice as likely to die before reaching adulthood compared with their peers in other wealthy countries, according to a new study ohiocapitaljournal.com/briefs/ameri...
ohiocapitaljournal.com
American kids are less likely to reach adulthood than foreign peers • Ohio Capital Journal
Babies and children in the United States are nearly twice as likely to die before reaching adulthood compared with their peers in other wealthy countries, according to a new study.
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jen sometimes aph 🌻 @bunnibytz.bsky.social · 02/09/2025
KASIE HUNT: Over the summer you said, “There’s no vaccine that’s safe and effective”. Do you still believe that? RFK JR: “I never said that.” KASIE HUNT: “Play the clip.” RFK JR (clip): “There’s no vaccine that is safe and effective.” (March 2024) ht: @cwebbonline.com
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Gigi Gronvall @ggronvall.bsky.social · 02/09/2025
He's an antivaxxer. People don't say things or do things like this if they aren't antivaxxers. He is not a skeptic, he just wants children to get polio.
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public health guy @publichealthguy1.bsky.social · 31/08/2025
wow
nationalnursesunited.org
Nation’s largest RN union: Time for HHS Secretary RFK Jr. to go
the wake of the latest scandal he has perpetuated, National Nurses United, the nation’s largest nurses union and professional organization, today called for Robert F. Kennedy, Jr., the Secretary of He...
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Kathleen Bachynski @bachynski.bsky.social · 02/09/2025
“Besser said the ousting of Monarez, along with the resignation of at least four top leaders, compelled him and his colleagues to speak out… “There will be other public health challenges, and with this Secretary performing in the way that he is, it puts us all at risk."
abcnews.go.com
Former CDC directors say RFK Jr. is endangering Americans' health
Nine former directors of the CDC are speaking out, saying Health and Human Services Secretary Robert F. Kennedy Jr. is endangering the health of Americans.
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Aaron Nagler @aaronnagler.bsky.social · 30/08/2025
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Charles Logan @charleswlogan.bsky.social · 30/08/2025
Once "adults thought young kids should use iPads because it would give them a competitive advantage in a screen-based workplace. So embarrassing. We shit the bed and kids are paying the price. It feels like we’re on the verge of doing it again. What if we didn’t?" ht: @hypervisible.blacksky.app
thecut.com
How Are We Supposed to Talk to Our Kids About AI?
We adopted social media with the critical thinking of a toddler putting a LEGO in their mouth. Let’s not make that mistake again.
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Apoorva Mandavilli @apoorvanyt.bsky.social · 29/08/2025
Robert F. Kennedy Jr.’s assault may have dealt lasting damage to the CDC, experts fear, with harsh consequences for public health. (Gift article) www.nytimes.com/2025/08/29/h...
nytimes.com
Will the C.D.C. Survive?
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Madhu Pai, MD, PhD @madhupai.bsky.social · 28/08/2025
“Kennedy would be less hazardous if he decided to do cardiac surgery. Then he would kill people only one at a time rather than his current ability to kill by the thousands. Why is it that killing a single person is seen as murder but killing masses is excused if you are a politician?” Dr Bill Foege
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Senator Bernie Sanders @sanders.senate.gov · 28/08/2025
RFK Jr. is pushing out scientific leaders who refuse to act as a rubber stamp for his dangerous conspiracy theories and manipulate science. Today, I am calling for a bipartisan congressional investigation into the firing of CDC Director Dr. Monarez.
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Madhu Pai, MD, PhD @madhupai.bsky.social · 26/08/2025
We can’t save global health without saving democracy
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