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Roberto Pereira

@rcrpereira.bsky.social
174 followers 202 following 59 posts

PhD Molecular Medicine🦠 Viruses•Vaccines•Molecular Biology🧑‍🔬 Weights 🏋️ Metal 🤘 Coffee ☕ Football ⚽

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Reposted by Roberto Pereira
Ed Zitron @edzitron.com · 10/09/2026
Or he saw an opportunity for publicity and took it. Nothing about this feels driven by any sincere concerns for anyone or specific harms he’s actually upset about other than a vague sense of “inadequate safety” referring to a non existent super intelligence bsky.app/profile/imda...
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Elizabeth Jacobs, PhD @elizabethjacobs.bsky.social · 11/06/2026
I still see influencers and media pundits suggesting that those who are battling RFK Jr.’s anti-science activities should “find common ground” with MAHA, and specifically with MAHA moms. This thread is about why I refuse to do so, which boils down to this: they reject the scientific method.
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Oliver Willis @owillis.bsky.social · 11/06/2026
grandma: before i came around you had to go to japan to get a maine lobster

kid: ok, grandma, lets get you to bed
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Roberto Pereira @rcrpereira.bsky.social · 11/06/2026
Peter Weyland and Weyland-Yutani Corp are no longer science fiction
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Reposted by Roberto Pereira
Thomas House @tah-sci.com · 21/05/2026
Regarding Ebola - the best genomic data and estimates we have now suggest a time to most recent common ancestor around the start of April. If we ballpark at 500 cumulative cases 50 days after this, this implies a doubling time of around > virological.org/t/initial-ge...
virological.org
Initial genomes from May 2026 Bundibugyo Virus Disease Outbreak in the Democratic Republic of the Congo and Uganda
2026-05-21 Update - Temporal Tree Estimate See the top post for authors, collaborators and acknowledgments. Figure 1 | Temporal phylogenetic reconstruction of the first 10 genomes using BEAST v10....
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Eli Perencevich @eliowa.bsky.social · 21/05/2026
Airport screening is political theater
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Kathleen Bachynski @bachynski.bsky.social · 20/05/2026
“Enrich and other experts said USAID programs could have helped laboratories in Congo detect the virus earlier, sped up the distribution of personal protective equipment to hospitals & deployed local community health workers to screen people for symptoms & track down those who may have been exposed”
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Reposted by Roberto Pereira
Helen Branswell 🇨🇦 @helenbranswell.bsky.social · 08/05/2026
#Measles is still doing in the US what measles does super well — spreading. As of 5/7, there have been 1,842 confirmed cases this year, which is 80% of the 2026 total in just over 4 months. www.cdc.gov/measles/data...
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Helen Branswell 🇨🇦 @helenbranswell.bsky.social · 07/05/2026
The #hantavirus outbreak onboard the MV Hondius is an rapidly evolving situation. Here are some takeaways from the #WHO press conference today. A key one for me: the US and Argentina, both recent WHO dropouts, are cooperating with the WHO-led efforts. www.statnews.com/2026/05/07/h...
statnews.com
Key takeaways from WHO briefing on hantavirus cruise ship outbreak
Here are key takeaways from a WHO briefing on the hantavirus outbreak aboard a cruise ship.
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Reposted by Roberto Pereira
Helen Branswell 🇨🇦 @helenbranswell.bsky.social · 08/05/2026
I find this unsettling: A new study in #Lancet shows that the number of faux citations in scientific articles is on the rise, and #AI is likely to blame. @aniloza.bsky.social reports. www.statnews.com/2026/05/07/l...
statnews.com
Fraudulent citations, blamed on AI hallucinations, are becoming more common in research papers
“Fabricated” citations that do not reference real academic papers are spreading in the literature, polluting the public record of science, a new study found
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Reposted by Roberto Pereira
Jonathan Howard @joho.bsky.social · 24/04/2026
The same MAHA disinformation agents who are trying to rewrite the history of the pandemic, are trying to rewrite the history of their dismal failure in office. My thoughts on Kennedy's recent temper tantrums in front of Congress.
sciencebasedmedicine.org
The MAHA Amnesia Project
The same disinformation agents who are trying to erase the history of the pandemic, are also trying to erase the history of MAHA.
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Reposted by Roberto Pereira
Michael E. Mann @michaelemann.bsky.social · 24/04/2026
I've got a better idea @nytimes.com. How 'bout we stop digging up and burning fossil fuels 🤔
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Roberto Pereira @rcrpereira.bsky.social · 23/04/2026
And we still have to put up with this administration for another 2 years? www.reuters.com/business/hea...
reuters.com
US CDC will not publish report showing COVID vaccine effectiveness
A report showing the efficacy of COVID-19 vaccines has been ​blocked from being published in the U.S. Centers for Disease Control ‌and Prevention's flagship scientific journal, a spokesperson from the...
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Reposted by Roberto Pereira
Dorit Reiss @doritreiss.bsky.social · 25/03/2026
‘A Mass Disaster Nonstop’: Inside the Turmoil at Robert F. Kennedy Jr.’s C.D.C. - how Kennedy undermined CDC's efforts to follow science and protect public health. Via @jinterlandi88.bsky.social @nytimes.com www.nytimes.com/interactive/...
nytimes.com
‘A Mass Disaster Nonstop’: Inside the Turmoil at Robert F. Kennedy Jr.’s C.D.C.
Forty-three current and former C.D.C. employees on the changes they say are replacing science with ideology — and making Americans more vulnerable.
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Reposted by Roberto Pereira
Kristian G. Andersen @kgandersen.bsky.social · 25/03/2026
Bye bye ambitious multi-center scientific collaborations 👋. grants.nih.gov/news-events/... Sounds reasonable at face value? It's not - because it makes planning completely impossible. And for complex, collaborative, and ambitious research, planning is everything. A few thoughts 👇
grants.nih.gov
NIH’s Path to a Simpler Funding Opportunity Landscape | Grants & Funding
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Reposted by Roberto Pereira
Princess Vimentin PhD | Cancer Biologist @princess-vimentin.bsky.social · 19/02/2026
Doing science in the US is starting to feel untenable. The CDC has had no stable leader. RFK Jr broke his promises on vaccines & research. Climate change is denied. Moderna will no longer invest in late stage vaccine trials. Europe and China are seizing the moment. 🧪 bit.ly/3ZF0yzI
ft.com
Brain drain is undermining America’s scientific edge
Policy decisions grounded in Maga talking points are helping to fuel a PhD exodus from government
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Reposted by Roberto Pereira
Faine Greenwood @faineg.com · 13/02/2026
“Terminated USAID funding has also resulted in more than 164,000 additional child deaths from pneumonia, 125,000 additional child deaths from diarrhea, 70,000 additional adult and child deaths from malaria, and 48,000 additional adult and child deaths from tuberculosis.”
cidrap.umn.edu
Quick takes: Death toll from USAID cuts, withdrawal of chikungunya vaccine, funding for updated Ebola vaccine
A model that tracks the impact of USAID funding cuts estimates that more than 760,000 people have died as a result of those cuts since January 2025.
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Prof Peter Hotez MD PhD DSc(hon) @peterhotezmdphd.bsky.social · 08/02/2026
MAHA
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Reposted by Roberto Pereira
Angie Rasmussen @angierasmussen.bsky.social · 06/02/2026
Have I ever mentioned how surreal it is to be an Editor-in-Chief of a journal called Vaccine right now? www.science.org/content/arti... It’s pretty wild, at least by typical academic journal editorial office standards.
science.org
Controversial Danish vaccine research group faces new allegations
Researchers say they couldn’t find complete data for 10 trials that together enrolled tens of thousands of children in Guinea-Bissau
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Reposted by Roberto Pereira
Health Nerd @gidmk.bsky.social · 08/02/2026
How...concerning. The team in question produced some rather problematic research on COVID-19 vaccines, so this is perhaps unsurprising.
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Reposted by Roberto Pereira
Kristian G. Andersen @kgandersen.bsky.social · 30/01/2026
New NIH funding strategy has been formalized. I really do hope scientists understand what this means for the future of science (funding) - it's not subtle. www.niaid.nih.gov/about/unifie...
niaid.nih.gov
NIH Unified Funding Strategy
Objective peer review, and HHS- and NIH- specific priorities, and a standardized, transparent process for incorporating NIAID-specific priorities will guide funding selections.
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Jonathan Howard @joho.bsky.social · 19/01/2026
Correct Listen for yourself www.youtube.com/watch?v=MvZa...
youtube.com
RFK says the gay lifestyle killed people, not AIDS
YouTube video by Jonathan Howard
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Reposted by Roberto Pereira
Prof Gavin Yamey MD MPH @gavinyamey.bsky.social · 07/01/2026
🌅Morning! 💉Trump & RFK Jr often host press events at which they spout damaging BS about vaccines, Tylenol, etc; why are powerful physicians, like Drs Makary & Bhattacharya, standing by their sides nodding obsequiously? @jonshaffer.bsky.social & I say MDs should RESIST💪 www.bmj.com/content/392/...
bmj.com
Trump and RFK Jr are dismantling public health—aided and abetted by powerful doctors
High profile physicians should be using their positions of power to resist Trump and RFK Jr’s damaging policies, not collaborating with them, say Gavin Yamey and Jonathan Shaffer President Donald Tr...
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BNO News @bnonews.com · 04/01/2026
NEW: Plans for secret U.S. raid to capture Maduro leaked to the Washington Post and New York Times before it happened, but both decided not to publish to protect U.S. troops - Semafor
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Senator Bernie Sanders @sanders.senate.gov · 03/01/2026
My statement on President Trump’s actions in Venezuela.
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Reposted by Roberto Pereira
Eliot Higgins @eliothiggins.bsky.social · 03/01/2026
Trump says he'll make deals with oil companies to fix Venezuela's oil industry, should help with all the resources theft their planning, and threatens Venezuela with further violence.
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Eliot Higgins @eliothiggins.bsky.social · 03/01/2026
Trump just announces the US will be running Venezuela now, until the can do a "safe, proper, and judicious" transfer of power. Announcing an occupation before you've occupied a country is a new one.
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Mehdi Hasan @mehdirhasan.bsky.social · 03/01/2026
I’m thinking this morning about all the people I spoke to last year who were absolutely convinced, and tried to convince me, that Trump would be antiwar compared to Biden and Harris. In the past week alone he has attacked Nigeria and then Venezuela and also threatened to attack Iran (again).
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Eliot Higgins @eliothiggins.bsky.social · 03/01/2026
A very embarrassing moment for the FIFA Peace Prize committee
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James Ball @jamesrball.com · 03/01/2026
Kidnapping the leader of a foreign state without any declaration of war and announcing it via social media is full-on rogue state stuff. From the world’s number one superpower.
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Roberto Pereira @rcrpereira.bsky.social · 06/12/2025
www.bbc.com/news/article... It's going to get worse.
bbc.com
US vaccine panel votes to end universal hepatitis B vaccination for newborns
Trump, who called the decision "very good", has directed the health department to look into making more changes to childhood vaccinations.
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Reposted by Roberto Pereira
Elizabeth Jacobs, PhD @elizabethjacobs.bsky.social · 04/12/2025
ACIP member Catherine Stein is claiming that there is no informed consent with the birth dose of HBV vaccine. This is an egregious lie.
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Reposted by Roberto Pereira
Prof Gavin Yamey MD MPH @gavinyamey.bsky.social · 01/12/2025
🆕 Our new piece in @nejm.org, written with colleagues in 2 PEPFAR countries—Zambia & South Africa—& at Duke examines the new US approach to global health “A retreat from multilateralism, a geopolitical emphasis, and rushed transitions could threaten progress,” we say www.nejm.org/doi/full/10....
nejm.org
The New U.S. Global Health Strategy — A Reset of America’s Health Cooperation | NEJM
The U.S. administration recently unveiled its new approach to global health. A retreat from multilateralism, a geopolitical emphasis, and rushed transitions could threaten progress.
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Roberto Pereira @rcrpereira.bsky.social · 01/12/2025
www.who.int/campaigns/wo... We have made incredible progress in the last 25 years in the fight against HIV/AIDS, particularly in the development of ARVs. The current US administration has tried their hardest to undermine and destroy this progress 👎
who.int
World AIDS Day 2025
On 1 December WHO joins partners and communities to commemorate World AIDS Day 2025. Under the theme “Take the rights path: My health, my right!”, WHO is calling on global leaders and citizens to cham...
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Reposted by Roberto Pereira
Michael E. Mann @michaelemann.bsky.social · 24/11/2025
We saw it with big tobacco, we saw it with the fossil fuels industry. When their own internal research showed the harm from their product, the defunded the research and attacked independent researchers coming to the very same conclusions. #ScienceUnderSiege
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Michael E. Mann @michaelemann.bsky.social · 22/11/2025
"Bad COP" | My new commentary on #COP30: michaelmann.net/bad-cop/
michaelmann.net
Bad COP | Michael E. Mann
The COP30 global climate summit in Brazil may have been the last opportunity for the nations of the world to reach an agreement that limits planetary […]
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Sabrina Fernandes @sabrinafernandes.bsky.social · 24/11/2025
Yesterday, I read a quick note by @michaelemann.bsky.social on the problems of UNFCCC rules on consensus that keep derailing COP after COP. It led me to organise a few thoughts on whether UNFCCC reform is still possible and what other pathways are/could be available. +
the.ecocene.blog
Is there life after COP? And is UNFCCC reform even possible?
With so many COP 30 eulogies, we need to ask if our toxic relationship with the climate change negotiations system is part of the problem.
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Reposted by Roberto Pereira
bioRxivpreprint @biorxivpreprint.bsky.social · 27/10/2025
A divergent betacoronavirus with a functional furin cleavage site in South American bats www.biorxiv.org/content/10.1101/202…
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Apoorva Mandavilli @apoorvanyt.bsky.social · 12/10/2025
The Trump administration on Saturday scrambled to rescind layoffs of hundreds of CDC scientists who were mistakenly fired on Friday night in what appeared to be a substantial procedural lapse. www.nytimes.com/2025/10/11/h...
nytimes.com
Trump Administration Is Bringing Back Scores of C.D.C. Experts Fired in Error
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Michael E. Mann @michaelemann.bsky.social · 03/10/2025
Right wing think tank (AEI) employee Roger Pielke Jr. has formed a cozy relationship with the Murdoch media as he spreads climate disinformation in Australia. It's right out of #ScienceUnderSiege (and yes, Roger is prominently mentioned in the book): www.theguardian.com/environment/...
theguardian.com
News Corp embraces fantasy genre by turning climate crisis into ‘laughable’ science fiction | Temperature Check
The National Climate Risk Assessment is attacked in the Daily Telegraph, while wind turbines became a frightening obstacle for firefighting planes and solar panels a source of mountains of landfill wa...
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Kendra "Gloom is My Beat" Pierre-Louis @kendrawrites.com · 11/10/2025
For some context the Morbidity and Mortality Weekly report in addition to being just a good read, to quote wikipedia, "is the main vehicle for publishing public health information and recommendations that have been received by the CDC from state health departments. "
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Roberto Pereira @rcrpereira.bsky.social · 11/10/2025
👎👎👎
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Marc Veldhoen @marcveld.bsky.social · 11/10/2025
Germinal center–mediated broadening of B cell responses to SARS-CoV-2 booster immunization Original antigenic sin? No, memory B cells are predominantly recruited to the germinal center, where they undergo further selection and affinity maturation. www.science.org/doi/... 1/4
science.org
Germinal center–mediated broadening of B cell responses to SARS-CoV-2 booster immunization
SARS-CoV-2 variant booster vaccination broadens human B cell responses through the germinal center reaction.
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The New York Times @nytimes.com · 11/10/2025
Dozens of employees at the CDC — including “disease detectives,” high-ranking scientists and the entire Washington office — were notified late Friday that they were losing their jobs as part of the Trump administration’s latest round of federal layoffs.
nyti.ms
Trump Administration Lays Off Dozens of C.D.C. Officials
“Disease detectives,” high-ranking scientists, the entire Washington office and the staff of a weekly public health journal were among those who learned late Friday that they would lose their jobs.
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Roberto Pereira @rcrpereira.bsky.social · 06/10/2025
www.yahoo.com/news/article... Slowly chipping away at vaccine policy. It's insidious.
yahoo.com
US CDC pulls support for COVID shot, backing Kennedy's advisory panel
The new Centers for Disease Control and Prevention recommendation maintains access for the shot through health insurance. The recommendations come at a turbulent time for the CDC, which recently saw ...
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Ruth Ann Crystal @drruth.bsky.social · 05/10/2025
The HPV vaccine is doing what had been promised. 17 years after it became available, HPV infections decreased significantly in vaccinated people and unvaccinated people because of herd immunity. buff.ly/WvjQ1BS h/t @boghuma.bsky.social #medsky #pedsky 🛟🧪
Light blue background. Young woman with dark hair makes a sign of strength with her arm and she has a vaccine bandaid on her upper arm. It says "The HPV Vaccine Works!"
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Prof Gavin Yamey MD MPH @gavinyamey.bsky.social · 05/10/2025
MAGA hero Jay Bhattacharya says that “political priorities may override the scoring system provided by outside experts appointed to hundreds of review panels” This is absolutely disgusting & utterly scandalous. If your study doesn’t fit with Trump & Bhattacharya’s right wing ideology, it’s toast 👀
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Kathleen Bachynski @bachynski.bsky.social · 24/09/2025
This is huge: “A drug that provides near-perfect protection against H.I.V. with shots just twice a year will be made available at $40 per patient annually in low- and middle-income countries, offering new hope… making lenacapavir a realistic choice in countries with constrained resources.”
nytimes.com
Philanthropies Strike a Promising Deal to Turn Back H.I.V.
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