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Kieffer James Ferraris

@kiefferferraris.bsky.social
1.8K followers 365 following 89 posts

MD-MBA | Peds ID specialist | Antimicrobial resistance & #abxstewardship | Interested on how adult IDs do it and how their practices can translate in Peds ID practice | Sana kulay rosas ang bukas.🌷 #Marc0sMagnanakaw | Manila, The Philippines 🇵🇭

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Reposted by Kieffer James Ferraris
Thomas Kesteman🦠🧫🔬🌏 @tomk.eurosky.social · 24/03/2026
#DoxyPEP 💊loses effectiveness against gonorrhea (but not against Chlamydia or syphilis)🧫 in only 1-2 years 🇺🇸 in parallel with 📈increased prevalence of tetM 🧬 #AMR #antimicrobialresistance www.medrxiv.org/content/10.6...
medrxiv.org
Rapid loss of doxycycline effectiveness against gonorrhea after implementation of post-exposure prophylaxis in southern California: an observational study
Background Post-exposure prophylaxis with doxycycline (doxyPEP) within 72 hours after sex is recommended to prevent chlamydia, gonorrhea, and syphilis among United States men who have sex with men (MS...
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Kieffer James Ferraris @kiefferferraris.bsky.social · 10/07/2025
Common sites of acute osteomyelitis in kids. Even this skeleton of a child looks cute. Source: PPPID 6/e, ed. by Long et al. #PedsIDSky
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Kieffer James Ferraris @kiefferferraris.bsky.social · 03/07/2025
Doing a repeat fellowship in Peds ID, this time at BC Children’s Hospital, Vancouver. First-day high!
Just me standing beside the bear statue of BCCHJust me standing beside the bear statue of BCCHJust me with 3 other people, my bosses
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Kieffer James Ferraris @kiefferferraris.bsky.social · 29/06/2025
Late post: Last March 26, lectured to pedia dentistry residents of the Pediatric Dentistry Center Philippines. Tackled childhood infections relevant to dental practice—oral signs, infection control, & when to refer to Peds. Not everyday I get to teach future pediatric dentists! #PedsIDSky #PedsSky
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Kieffer James Ferraris @kiefferferraris.bsky.social · 13/06/2025
Starting my 2nd Pediatric Infectious Diseases fellowship this July, this time at UBC/BCCH in Vancouver! 🇨🇦 #PedsIDSky Reading this ATM: 😅
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Kieffer James Ferraris @kiefferferraris.bsky.social · 22/05/2025
#PedsSky #PedsGISky
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Reposted by Kieffer James Ferraris
Antibiotic Steward 🅱️C🆔🅿️🌟 @absteward.bsky.social · 21/05/2025
Words matter. It’s time to retire the term oral “step-down.” It implies inferiority of the oral route—and doesn’t align with stewardship principles. Terms like IV to oral switch or oral transition better promote optimal antimicrobial stewardship. What terms do you use—and why? #idsky
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Anne-Grete Märtson @annegretemartson.bsky.social · 16/05/2025
Happy to share this systematic review on antibiotic dosing in obesity! Thank you all the co-authors, it was great working together on this! #IDSky #PKPD #ESCMID www.sciencedirect.com/science/arti...
sciencedirect.com
The pharmacokinetics of antibiotics in patients with obesity: a systematic review and consensus guidelines for dose adjustments
Obesity can cause physiological changes resulting in antibiotic pharmacokinetic alterations and suboptimal drug exposures. This systematic review aime…
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Antibiotic Steward 🅱️C🆔🅿️🌟 @absteward.bsky.social · 16/05/2025
🆕💫Multicenter matched cohort study Among 8492 patients hospitalized patients with community-acquired pneumonia, azithromycin was associated with a lower mortality and more hospital free days compared to doxycycline in combination with beta-lactams #idsky #EMIMCC academic.oup.com/cid/article-...
academic.oup.com
Comparative effectiveness of azithromycin versus doxycycline in hospitalized patients with community acquired pneumonia treated with beta-lactams: A multicenter matched cohort study
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BK. Titanji @boghuma.bsky.social · 10/05/2025
I wrote about popes, condoms, and the Catholic Church’s long, complicated relationship with sexual health. From abstinence-only messaging during the HIV crisis to quiet progress under Francis. I had fun with this one hope you enjoy reading it. bktitanji.substack.com/p/habemus-pa... #HabemusPapam
bktitanji.substack.com
Habemus Papam: But What’s His Stance on Condoms?
As an infectious diseases doctor, I can’t help but wonder what Pope Leo thinks about latex
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Kieffer James Ferraris @kiefferferraris.bsky.social · 29/04/2025
Vaccines can be given at birth up to adulthood as VPDs do not choose their target. Update your immunization with your MD or with your local health center. This infographic is brought to you by the Pediatric Infectious Disease Society of the Philippines (PIDSP). #WorldImmunizationWeek #WIW2025 #PIDSP
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Reposted by Kieffer James Ferraris
Fernanda Petersen @amr-twilight.bsky.social · 22/04/2025
The new WHO guideline recommend using the 7-sign IMCI algorithm to detect serious infections in infants, simplified antibiotics when referral isn’t possible, stronger referral systems, and rational antibiotic use to fight #AMR and improve newborn care #InfectiousDisease www.who.int/indonesia/ne...
who.int
WHO issues updated guidance on managing serious bacterial infections in infants
The World Health Organization (WHO) has released updated global recommendations to improve diagnosis and treatment of serious bacterial infections (SBIs) in young infants aged 0–59 days, including sep...
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God @thegodshow.com · 19/04/2025
RFK Jr. says he'll find out the cause of autism. I wanna know the cause of RFK Jr.
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Kelly @broadwaybabyto.bsky.social · 19/04/2025
This doctor tried to justify practicing medicine while infected with measles by saying he only treated patients who had measles. Measles has a reproductive value of 12. It’s airborne. Even if you “only” saw patients with measles, you likely infected multiple others. This should be criminal
apnews.com
Video shows doctor with measles treating kids. RFK Jr later praised him as an ‘extraordinary’ healer
A video shows a Texas doctor, who has been treating children in a measles outbreak, with a measles rash on his face in a clinic while caring for patients a week before he met with Health Secretary Rob...
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Callum P Mutch @callumpmutch.bsky.social · 14/04/2025
Useful summary of inducible AmpC - strength of inducement and susceptibility to hydrolysis #escmidglobal
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David Hettle @david-hettle.bsky.social · 13/04/2025
Starting Sunday at #ESCMID2025 #ESCMIDglobal debating 'Proxy indicators: bridging the gap between #AMR surveillance and #antimicrobialstewardship #AMS Finding a way to tie quantity metrics to appropriateness of prescription A start to #AMS Sunday according to @dianeashiru.bsky.social
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David Hettle @david-hettle.bsky.social · 13/04/2025
Critical talk to think about moving from #AMR surveillance + antibiotic use data ⬇️ Stewardship initiatives #AMS Talk from Mark de Boer on bridging the gap! #ESCMIDglobal #ESCMID2025
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Penta - Child Health Research @pentafoundation.bsky.social · 16/04/2025
#NeoIPC data presented at #ESCMIDGlobal shows how drug-resistant bacteria colonise the guts of high-risk infants in #NICUs 🇨🇭🇬🇷. Urgent need to boost #IPC to fight AMR, which is the focus of the Penta-sponsored #NeoDeco study. View presentation slides ➡️ neoipc.org/wp-content/u... More ➡️ neoipc.org
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Healthcare in Europe @healthcare-europe.bsky.social · 17/04/2025
🫁 Despite previous global declines, pulmonary #tuberculosis (TB) is on the rise again. A new #AI-powered #lung #ultrasound presented at the @escmid.bsky.social #ESCMIDGlobal congress shows promise in improving diagnostic performance of #TB.
healthcare-in-europe.com
POCT AI-guided lung ultrasound boosts tuberculosis diagnosis
A pioneering study presented at ESCMID Global 2025 has demonstrated that an AI-powered lung ultrasound outperforms human experts by 9% in diagnosing pulmonary tuberculosis (TB).
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Penta - Child Health Research @pentafoundation.bsky.social · 18/04/2025
To tackle antibiotic resistance (#AMR) in newborns, especially premature babies in #NICUs, researchers explored the best trial design for studying #IPC. See what this simulation study, based on #NeoIPC data and presented at #ESCMIDGlobal, suggests 👇 View poster: neoipc.org/wp-content/u...
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Julia M. Rohrer @dingdingpeng.the100.ci · 19/04/2025
Learning so much from @adamjkucharski.bsky.social’s “Proof”—for example, I certainly didn’t know before that Francis Galton published a Nature paper on how to cut a cake so that it doesn’t dry out. www.nature.com/articles/075...
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Paul Sax @paulsaxmd.bsky.social · 18/04/2025
The SNAP trial may finally resolve some of the longest-running debates in SAB management (cefazolin vs semi-synthetic PCN? Is PCN really active vs PSSA?). Huge congrats to Drs. Joshua Davis, Steven Tong, & the global team who made this ambitious trial happen. #IDSky blogs.jwatch.org/hiv-id-obser...
blogs.jwatch.org
SNAP Trial Helps Resolve Long-Running Controversies Over Management of Staph Bacteremia
For those who do hospital-based patient care, the significance of Staphylococcus aureus bacteremia (SAB) cannot be overstated. It’s one of the most frequent reasons for infectious disease consultation...
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Antibiotic Steward 🅱️C🆔🅿️🌟 @absteward.bsky.social · 12/04/2025
The most anticipated RCT in ID 🔥SNAP RCT🔥The largest RCT 2 date in SA bactermia N:1341 Cefazolin Vs ASPs ((flu)cloxacillin) for MSSA bacteremia Cefazolin is non-inferior (90d mortality)& less AKI than ASPs A practice-changer RCT that must change the guidelines #ESCMIDGlobal #IDSky
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Gabriele Pollara @gpollara.bsky.social · 12/04/2025
Just made a custom feed that pulls in a wide array of hashtags being used at ESCMID Global 2025 May have a few minutes delay, but contains posts with #ESCMIDGlobal #ESCMIDGlobal2025 #ESCMID2025 #ECCMID2025 Feel free to pin it to your timelines. Hope it's helpful #IDSky bsky.app/profile/did:...
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PPID Journal @ppidjournal.bsky.social · 31/03/2025
#IDsky Severe malaria meets sickle cell anemia: A complex case where P. Falciparum & ACS challenge both dx & treatment. Successful recovery with artesunate & RBC exchange transfusion highlight importance of timing concurrent prompt management! www.ppidjournal.com/doi10-55636-...
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CIDRAP @cidrap.bsky.social · 31/03/2025
Digging in the dirt: Scientists discover a new antibiotic compound from an old source An antibiotic peptide named lariocidin—named for its knotted, lasso-like chemical structure—has a unique mechanism of action www.cidrap.umn.edu/a... Photo courtesy of McMaster University
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Me vs. Stationary Objects @whitneyherrig.bsky.social · 31/03/2025
Just saw this! Gender-affirming care is associated with a reduced risk of HIV transmission and improved HIV suppression for transgender, non-binary, and gender-diverse adults in the USA, study suggests. Explore the research in The Lancet HIV: tinyurl.com/3dxtdey6 #TDoV #MedSky
tinyurl.com
HIV seropositivity and viral non-suppression in transgender, non-binary, and gender-diverse people in primary care receiving gender-affirming hormone therapy in the USA between 2013 and 2019 (LEGACY):...
Gender-affirming care is important for optimising HIV outcomes among trans people. Our results underscore the vital role of gender-affirming models of care and access to gender-affirming hormone thera...
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Edward Nirenberg @enirenberg.bsky.social · 01/04/2025
People always underestimate flu. The descendants of The Mother of All Pandemics are not the ones you FAFO with.
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Partners In Health @pih.org · 01/04/2025
When Kioshi first started coughing, he never imagined it would turn his world upside down. Misdiagnosed multiple times, he struggled alone. Thats until he found support from Socios En Salud. He received the care needed to fight his MDR-TB. Read more: www.pih.org/article/mdr-...
pih.org
Living With Multidrug-Resistant TB in Peru: Kioshi's Journey
Every year, nearly 1,500 people in Peru are diagnosed with multidrug-resistant tuberculosis. Kioshi Vásquez faced the disease alone until support from PIH changed his story.
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Gabriele Pollara @gpollara.bsky.social · 31/03/2025
If you can't afford to use a diagnostic test, then its relative performance characteristics become irrelevant. Important issue raised re blood cultures 👇 @lancetmicrobe.bsky.social #ClinMicro #IDSky #AMR www.thelancet.com/journals/lan...
thelancet.com
The cost of blood cultures: a barrier to diagnosis in low-income and middle-income countries
The recent Editorial by The Lancet Microbe, titled Rethinking blood culture, highlights the blood culture bottle shortage in the USA and the overreliance on single manufacturers.1 The shortages of blo...
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John Green @johngreensbluesky.bsky.social · 26/03/2025
An incredibly generous piece from @slate.com that centers Henry Reider. Grateful to Tony Ho Tran for interviewing Henry and capturing so much of his passion. slate.com/technology/2...
slate.com
What’s Happening With Tuberculosis Is a Terrible Tragedy. The Person Who Can Make Sense of It Isn’t Who You’d Expect.
John Green’s latest book might seem like a departure—at first.
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CIDRAP @cidrap.bsky.social · 20/03/2025
Antibiotic stewardship, data, and uncertainty: A conversation with Brad Spellberg The longtime stewardship advocate shares his thoughts on shorter antibiotic durations, clinical care guidelines, and the antibiotic pipeline. www.cidrap.umn.edu/a...
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Atul Gawande @agawande.bsky.social · 20/03/2025
It’s the world’s most deadly infectious disease. But it strikes the world’s most downtrodden and neglected, including here at home. So we turn our eyes. Not you, @johngreensbluesky.bsky.social. You’ve made the story of TB personal. And your vivid, moving, vital book makes us grateful you did.
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Kieffer James Ferraris @kiefferferraris.bsky.social · 15/03/2025
In my latest lecture in my institution, I reviewed updates on TB Dx & Mgt in children by the WHO & our country's NTP. A sobering talk, echoing Dr. Cynthia Aguirre: "TB will outlive us all." And as Dr. Peter Mugyenyi said, "TB cure is where the disease is not. #TBSky #PedsIDSky 3/24 is World TB Day
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KittyKatGirl😻🙏💞🐞 @mary1kathy.bsky.social · 13/03/2025
💯 RFK Jr. approved!
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Ryan Marino, MD @ryanmarino.bsky.social · 11/03/2025
Good reminder that autocrats never meet the end they want. Only difference is whether they face justice like this or whether they face their own violence
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Gabriele Pollara @gpollara.bsky.social · 12/03/2025
De-escalation of carbapenem prescriptions: noble objective, not so easy to do well in practice! #IDSky #ClinMicro #AMR @jac-amr.bsky.social academic.oup.com/jacamr/artic...
academic.oup.com
Carbapenem de-escalation as an antimicrobial stewardship strategy: a narrative review
Abstract. Increased carbapenem prescribing has contributed to rising rates of carbapenem-resistant bacterial pathogens. Although antimicrobial stewardship
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Madhu Pai, MD, PhD @madhupai.bsky.social · 10/03/2025
www.theguardian.com/society/2025...
theguardian.com
US aid cuts could create untreatable TB bug ‘resistant to everything we have’
Projects to detect, treat and research new ways to fight TB among those disrupted by sudden funding freeze
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Dorit Reiss @doritreiss.bsky.social · 07/03/2025
"In the 19th century, it was incredibly dangerous to be a child. As of 1900, about 18 percent, or nearly one in five, American children died before their fifth birthday. ..." What changed? Better sanitation, medical advances - and vaccines. www.vox.com/health/40268...
vox.com
What was childhood like before vaccines?
The anti-vax movement has gone mainstream, but before these shots, grief and loss marked the lives of children.
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Alice Han @dralicehan.bsky.social · 08/03/2025
#IDsky Fascinating StepUp trial looking at tx male partners for BV w/topical clinda & oral metronidazole in conjunction w/ tx female patients. Reduced recurrence rate from 63% to 35% by 12 wks. We were always taught BV is not an STD, but perhaps it should be considered as such.
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Madhu Pai, MD, PhD @madhupai.bsky.social · 07/03/2025
👏🏽👏🏽 Grateful for a government that cares about science and is willing to stand by it From today's press release by the Canadian government: www.canada.ca/en/global-af...
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Ken Milne MD @thesgem.bsky.social · 04/03/2025
Always ask yourself, “what evidence would convince me that I’m wrong?” If the answer is, “nothing,” then you are not adhering to the rules of science or logic. thelogicofscience.com/2019/03/05/h... #MedSky
thelogicofscience.com
How not to science: Lessons from flat earthers and climate change deniers
Science is an amazingly powerful tool for disentangling fact and fiction. When done correctly, it is a systematic, objective, unbiased, and self-correcting method for understanding our universe. Un…
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Samir S. Shah @samirshahmd.bsky.social · 04/03/2025
🧯 Apropos of everything... How to write an OpED 📝 Helpful guidance by @renkate.bsky.social in @jhospmedicine.bsky.social 🔗 Article link in the next post. @socpedresearch.bsky.social @societyhospmed.bsky.social @pidsociety.bsky.social @shematologist.medsky.social
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Gabriele Pollara @gpollara.bsky.social · 03/03/2025
Introduce a new antibiotic (fidaxomicin), develop resistance to the new antibiotic (fidaxomicin). 😔 #AMR #IDSky #ClinMicro @cidjournal.bsky.social academic.oup.com/cid/advance-...
academic.oup.com
Emergence and Spread of Clostridioides difficile Isolates With Reduced Fidaxomicin Susceptibility in an Acute Care Hospital
In an acute care hospital, 6 of 108 (5.6%) fidaxomicin-treated patients with Clostridioides difficile infection were infected with isolates with reduced fi
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Cristal Laquindanum-Tan, MD, MBA @millennialpedia.bsky.social · 28/02/2025
You know you're getting old when what you learned in training are now changing. TB updates (from 2020): it's now TPT not IPT, genexpert>afb smear, no more CategoryI, II etc but just Regimen I & II, shortened regimen 4mos instead of 6 for uncomplicated TB. Congrats @kiefferferraris.bsky.social!!
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Stanford Antimicrobial Safety & Sustainability Program @stanfordasp.bsky.social · 25/02/2025
🌟 ABX Pearl of the Day: Yeast coverage in intra-abdominal infections 💊 📋 Q: My patient has an intra-abdominal infection. Should I add empiric coverage for yeast? What if they have a gastrointestinal perforation? #IDsky #medsky #meded #pharmsky #skyRX
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Onisillos @onisillos.bsky.social · 26/02/2025
“Government needs to consider whether its existing commitments and other efforts across the public sector will be enough to achieve its 20-year vision to contain and control AMR.” www.theguardian.com/society/2025...
theguardian.com
UK ‘falling short’ in fight against rise of superbugs resistant to antibiotics
Antimicrobial resistance contributing to estimated 35,000 deaths a year in UK, and government ‘a long way’ from containing the problem, says NAO
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BK. Titanji @boghuma.bsky.social · 23/02/2025
Finding joy where I can. I'm drinking my morning coffee from a favorite mug.😊 And yes, I've been called a witch and a magician. Used interchangeably.
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