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Joseph Marcus

@josephmarcusid.medsky.social
2K followers 1.1K following 958 posts

Infectious Diseases MD, parent, lifelong learner, opinions are my own Interests: Getting trainees excited about ID/Research, ECMO infections, STIs, and Transfusion-Transmitted Infections scholar.usuhs.edu/en/persons/joseph…

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Joseph Marcus @josephmarcusid.medsky.social · 01/10/2026
My second #ELSO2026 and exciting to see all of the collaborators/thought leaders moving the field forward. Talking with clinicians at different centers, with the lack of evidence, practice patterns are drastically different and there is a need for #IDSky research in these critically ill patients.
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Joseph Marcus @josephmarcusid.medsky.social · 30/09/2026
PCT is a bad prognostic sign (as BALANCE study demonstrated as well) and should be interpreted with caution in ECMO as a sign of an infection #IDSky #ELSO2026
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Joseph Marcus @josephmarcusid.medsky.social · 30/09/2026
Important factor for #IDSky clinicians taking care of ECMO patients: ECMO is extremely pro-inflammatory and inflammatory markers should be interpreted with caution. #ELSO2026
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Joseph Marcus @josephmarcusid.medsky.social · 29/09/2026
Impressive talk about setting up an ECMO team at finish line of NYC marathon and Brooklyn half marathon where cardiac arrest happens too often. Luckily no one needed to be cannulated yet. #ELSO2026
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Joseph Marcus @josephmarcusid.medsky.social · 29/09/2026
Many considerations when dosing antimicrobials during ECMO considering; -Protein binding -Hydrophilic/Lipophilic medications -The pts underlying critical illness (likely the most important) #ELSO2026
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Joseph Marcus @josephmarcusid.medsky.social · 29/09/2026
The oldest patient in 🇯🇵 placed on ECMO at time of cardiac arrest (ECPR) to survive with a favorable neurological outcome? 90. Those age >75 have lower risk of favorable outcome, but may not be complete contraindication #ELSO2026
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Joseph Marcus @josephmarcusid.medsky.social · 20/09/2026
For those attending #IDWeek2026, you are invited to an #IDSky Social Media Meet-Up ⏰ Oct 22 8 PM-10:30 PM Place: Marriott Marquis Lobby Bar
IDWeek Social Media Meet-Up
October 22 from 8-10 PM ad the Lobby Bar of the Marriott Marquis
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Joseph Marcus @josephmarcusid.medsky.social · 27/06/2026
What a week to be optimistic/celebrate: 1) End of year meeting with fellows and reflecting on their growth 2) Hail and farewell with all staff and fellows 🎳🎂 3) Orientation starting Monday 4) @idweek.bsky.social abstract results on Tuesday 5) New year starts on Wednesday #IDSky
Chocolate Costco Cake saying “Welcome ID Fellows”
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Joseph Marcus @josephmarcusid.medsky.social · 16/06/2026
Congratulations to these exceptional ID fellows on graduating fellowship! #IDSky @ogallardo.bsky.social @sucroselauren.bsky.social @ryanliberg.bsky.social
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Joseph Marcus @josephmarcusid.medsky.social · 07/06/2026
Congratulations to ID fellow 🌟 and Chagas guru @ogallardo.bsky.social for his award winning presentation at #TIDS2026 #IDSky #ProudMentor
An ID fellow presenting research at the Texas Infectious Diseases Society Meeting
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Joseph Marcus @josephmarcusid.medsky.social · 19/05/2026
Super proud of my ID fellow mentees @ogallardo.bsky.social and @benzodiazejam.medsky.social who were both eloquent and extremely knowledgeable in their podium presentations at a local conference today! Preparation goes a long way. #ProudMentor #IDSky
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Joseph Marcus @josephmarcusid.medsky.social · 06/05/2026
I’m incredibly grateful to my mentors and @idsainfo.bsky.social for this recognition!
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Joseph Marcus @josephmarcusid.medsky.social · 29/04/2026
🧫 As outbreak with unencapsulated strain for conjunctivitis outbreak demonstrated, characterization of colonizing isolates are also important If this sounds familiar, you may have seen future IM resident Dr. Kashuba Shanahan at @idweek.bsky.social 2025 in Atlanta 3/3
Internal Medicine resident presenting poster at IDWeek 2025
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Joseph Marcus @josephmarcusid.medsky.social · 20/03/2026
Learning from the best! Thank you to @cortes-penfield.bsky.social for visiting and teaching us about orthopedic infections and UTIs! #IDSky
A physician lecturing an auditorium about UTIs
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Joseph Marcus @josephmarcusid.medsky.social · 18/02/2026
Important #IDSky Update The @idweek.bsky.social abstract submission portal is now open! The deadline is slightly earlier this year: 4/30/26 www.idweek.org/abstracts/
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Joseph Marcus @josephmarcusid.medsky.social · 13/02/2026
If this sounds familiar, you may have seen IM resident Dr. Kwon at IDWeek 2024 in Los Angeles
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Joseph Marcus @josephmarcusid.medsky.social · 31/01/2026
A wonderful matching #IDSky meet-up with @jonathanrydermd.bsky.social in San Antonio!
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Joseph Marcus @josephmarcusid.medsky.social · 27/01/2026
If this data sounds familiar, you may have talked to IM resident, Dr. Powers (who will be starting ID fellowship this summer!!), at @idweek.bsky.social 2025 in Los Angeles!
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Joseph Marcus @josephmarcusid.medsky.social · 09/01/2026
Visual abstract and full text released today: rdcu.be/eYkrL
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Joseph Marcus @josephmarcusid.medsky.social · 15/12/2025
Happy Hanukkah to #IDSky!
A menorah on the first night of Hanukkah 🕎 2025
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Joseph Marcus @josephmarcusid.medsky.social · 11/12/2025
If this sounds familiar you may have seen Dr. Matthew’s presentation at #IDWeek2024
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Joseph Marcus @josephmarcusid.medsky.social · 30/10/2025
The updated SOFA-2 scores was released today! It updates original SOFA score with more contemporary practices. #IDSky jamanetwork.com/journals/jam...
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Joseph Marcus @josephmarcusid.medsky.social · 27/10/2025
If this sounds familiar you may have seen Dr. Derasmo’s presentation at #IDWeek2024
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Joseph Marcus @josephmarcusid.medsky.social · 22/10/2025
Check out my mentee’s poster (1841). IM PGY2 Dr. Hill presents on factors associated with false positive HBVsAg in military service members #IDWeek2025
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Joseph Marcus @josephmarcusid.medsky.social · 21/10/2025
Check out my mentee’s poster (1403). IM PGY-3 Dr. Powers presents on outcomes of inpatient IGRAs #IDWeek2025
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Joseph Marcus @josephmarcusid.medsky.social · 21/10/2025
Check out my mentee’s poster (1389). IM PGY3 Dr. Kim presents on factors associated with false positive IGRAs in military service members #IDWeek2025
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Joseph Marcus @josephmarcusid.medsky.social · 20/10/2025
Mentorship matters. So proud of my mentees presenting at IDWeek this year. #IDWeek2022
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Joseph Marcus @josephmarcusid.medsky.social · 20/10/2025
Mentorship matters. So proud of my mentees presenting at IDWeek this year. #IDWeek2023
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Joseph Marcus @josephmarcusid.medsky.social · 20/10/2025
Mentorship matters. So proud of my mentees presenting at IDWeek this year. #IDWeek2024
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Joseph Marcus @josephmarcusid.medsky.social · 20/10/2025
Mentorship matters. So proud of my mentees presenting at IDWeek this year. #IDWeek2025
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Joseph Marcus @josephmarcusid.medsky.social · 20/10/2025
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Joseph Marcus @josephmarcusid.medsky.social · 20/10/2025
Check out my mentee’s poster (574). IM PGY-3 Dr. Kashuba-Shanahan presents on meningococcus carriage in basic trainees #IDWeek2025
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Joseph Marcus @josephmarcusid.medsky.social · 20/10/2025
Check out my mentee’s poster (726). IM PGY-3 Dr. Marsh presents on the factors associated with follow-up RPR testing in service members with syphilis. #IDWeek2025
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Joseph Marcus @josephmarcusid.medsky.social · 20/10/2025
Check out my mentee’s poster (204). PGY5 Dr Gallardo-Huizar presents on Chagas testing at a military base in South Texas. #IDWeek2025
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Joseph Marcus @josephmarcusid.medsky.social · 19/10/2025
From #IDWeek2025 Plenary: Examples of non-profits stepping up for public health challenges around the world this year:
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Joseph Marcus @josephmarcusid.medsky.social · 19/10/2025
Starting #IDWeek2025 with the great pediatric ID debates in Mano-a-Mano!
The first d b
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Joseph Marcus @josephmarcusid.medsky.social · 19/10/2025
A rainy run down memory lane before #IDWeek2025 starts today: 1) Piedmont Park 2) Ponce Market 3) Sweet Hut
Piedmont Park in the rain Ponce MarketThe entrance to Sweet Hut
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Joseph Marcus @josephmarcusid.medsky.social · 19/10/2025
See you tomorrow! #IDSky #IDWeek2025
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Joseph Marcus @josephmarcusid.medsky.social · 03/10/2025
If this sounds familiar, you may have seen Dr. Marsh at IDWeek 2024 in Los Angeles
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Joseph Marcus @josephmarcusid.medsky.social · 02/10/2025
Google did predict Washington DC a couple of weeks ago, but the dates were a little off
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Joseph Marcus @josephmarcusid.medsky.social · 02/10/2025
Or this Google search from August suggesting Amsterdam 🇳🇱
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Joseph Marcus @josephmarcusid.medsky.social · 02/10/2025
I checked google for the IDWeek location and it gave very confident wrong answers, such as this screenshot shot suggesting San Antonio on July 30th
Google search on July 30 suggesting IDWeek was in San Antonio
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Joseph Marcus @josephmarcusid.medsky.social · 02/10/2025
IDWeek 2026 announced: Washington DC idweek.org/faqs/
When and Where is IDWeek 2026?

October 21-24, 2026 Washington, DC
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Joseph Marcus @josephmarcusid.medsky.social · 16/09/2025
Come join #IDSky at the unofficial @idweek.bsky.social Social Media Meet-Up! All are welcome.
IDWeek Social Media Meet-Up 
October 19, 2025
7:30 PM-10:00 PM
Lobby Bar at the Signia by Hilton Atlanta Georgia World Congress Center
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Joseph Marcus @josephmarcusid.medsky.social · 30/08/2025
If this sounds familiar, you may have seen it presented as a podium by IM Resident Michael Wells at IDWeek 2024.
A military doctor presenting at IDWeek
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Joseph Marcus @josephmarcusid.medsky.social · 26/08/2025
If this sounds familiar, you may have seen it presented by ID fellow David Aleman-Reyes at IDWeek 2024.
ID fellow presenting is data at IDWeek 2024 in Los Angeles
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Joseph Marcus @josephmarcusid.medsky.social · 26/08/2025
STI rates are normally presented in person years of susceptible individuals, but how many of these individuals are tested? Why are they tested? For example, the rates of CT in military women is 3-5x higher than men(?!) How could that possibly be the case?
Incidence of male and female chlamydia in the US military between 2013 and 2021
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Joseph Marcus @josephmarcusid.medsky.social · 10/08/2025
If this sounds familiar, you may have seen Dr. Malone’s work at IDWeek 2024 in Los Angeles!
Two physicians presenting data at IDWeek 2024
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Joseph Marcus @josephmarcusid.medsky.social · 30/07/2025
Of the factors associated with high-reliability ECMO ID studies, this has two. We need more ID doctors in this space. 1) ✅ 2) ❌ 3) ❌ 4) ❌ 5) ✅ -> but concern if followed 6) ❌ ->not by site
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Joseph Marcus @josephmarcusid.medsky.social · 12/07/2025
Important work! Interesting that the article uses a different genus name than the commentary. Which should we use? Great commentary @drrossanarosa.bsky.social!
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