Halasa Lab @HalasaLab
Our lab conducts ARI and AGE surveillance, studies vaccine responses in immunocompromised hosts, and collaborates nationally and internationally. VUMC. Nashville, TN Joined September 2020-
Tweets31
-
Followers148
-
Following182
-
Likes29
Two for the price of one.....@NATBASH15
Maternal vaccination with two doses of mRNA vaccine was associated with a reduced risk of hospitalization for #COVID19, including critical illness, among infants younger than 6 mos of age. #IDTwitter nej.md/3tW3RTv
New editorial by Sonja A. Rasmussen, M.D., and Denise J. Jamieson, M.D., M.P.H.: Covid-19 Vaccination during Pregnancy — Two for the Price of One. nej.md/3OiJKXS
Our lab is excited!!! Thank you! @DollyParton
Excited for our post-doc Ahmad!!!
Proud of my mentee Rana who matched in IM at Rochester! Well deserved!
Proud of my mentee Rana who matched in IM at Rochester! Well deserved!
Another exciting paper from Overcoming Covid-!9 Network
So fun to be co-first author with a former VUMC Peds ID fellow - Dr. Jennifer Schuster
So fun to be co-first author with a former VUMC Peds ID fellow - Dr. Jennifer Schuster
Proud of our lab to help contribute to this very important paper! Please vaccinate children and protect them from severe disease! Read the editorial, too nejm.org/doi/full/10.10…
Proud of our lab to help contribute to this very important paper! Please vaccinate children and protect them from severe disease! Read the editorial, too nejm.org/doi/full/10.10…
Proud of the team!
The authors conclude that a third-dose booster of mRNA-1273 vaccine should be considered for transplant recipients. nej.md/3fPobPx
Vanderbilt to require COVID-19 vaccines for ALL employees trib.al/1bDZKqs
My colleague John!
In our accepted Personal Viewpoint, @EmilyBlumbergMD, @NATBASH15, @dan_dkauld, @nikkitheomd and @camwolfe outline the current data on antibodies and booster doses for SOT patients. We also outline data needed to understand how best to protect our pts. onlinelibrary.wiley.com/doi/10.1111/aj…
Proud of our team!

Michael Ison, MD MS @MichaelGIsonMD
5K Followers 2K Following #TxID MD and clinical respiratory virologist & Editor-in-Chief @TheTxIDjournal. All opinions and tweets are my own.
NATASHA HALASA @NATBASH15
407 Followers 443 Following
Rachel Wattier, MD, M... @RachelWattier
1K Followers 3K Following Pediatric ID & antimicrobial stewardship physician, UCSF. UroEpi K12 scholar, pediatric UTI diagnostic and preventive care. Views my own.
Julie Bastarache @JulesBass6
5K Followers 1K Following Physician, scientist, mom. Basic and translational research on acute lung injury, alveolar capillary barrier. #ARDS #sepsis #CellBiology #PulmCCM
Matthew R. Vogt @VogtVirusLab
1K Followers 1K Following A student of humans and viruses. And sometimes mice. Asst. Prof. of Pediatrics and Microbiology & Immunology @UNC_SOM. Peds ID doc. Tweets are mine.
Olivia Kates, MD @KatesOlivia
2K Followers 679 Following Infectious diseases MD for folks w/ transplants & cancer🦠 Bioethicist into vaccines & social connections👩🏻🏫 Yappy dog apologist on behalf of Wotan & Ozzy🐕
WashU Med - Pediatric... @WashUMedPedsID
312 Followers 133 Following Pediatric ID division at WashU Medicine and St. Louis Children's Hospital
Eric Skaar @EricSkaar
6K Followers 2K Following Scientist and Professor interested in host-microbe interactions, trail rides and runs, and live music. Tweets my own.
Jen Srygley Sucre @sucre_jen
709 Followers 538 Following Neonatologist. Lung biologist. Admirer of beautiful words. Tweets my own.
Sajal Tanna, MD, MPH @SajalTanna
1K Followers 1K Following Transplant Infectious Diseases @InovaHealth. Trained at @DukeMedicine & @Penn_ID. @UVA, @TulaneMedicine, & @TulaneSPHTM alum. Tweets mine. 😷
Rarenoez @rarenoez36311
43 Followers 5K Following
Sienna Marquardt @MarquardtS78603
3 Followers 222 Following
Lenora Upton @LenoraU45268
33 Followers 3K Following
Shanna Stark @ShannaStar90213
48 Followers 3K Following
Dangelo Senger @SengerDang86780
21 Followers 3K Following
Sploresm @SploresmI_4wTe
58 Followers 4K Following
Thysursh @ThysurshYdw9
16 Followers 1K Following
The Klco Lab @KlcoLab
267 Followers 230 Following The Klco lab at @stjuderesearch - Defining the molecular and biological causes of pediatric myeloid tumors
Dominique Davis @DominiqueD70821
0 Followers 170 Following
Temmetoat @temmetoat7880
57 Followers 2K Following
Laith Hamati @LaithHamati
204 Followers 4K Following Medical student interested in pediatric immune oncology and cellular therapies. Then you will know the truth, and the truth will set you free. ✝️
Smotea @Smotea194603
9 Followers 1K Following
Qusai Odeh @QusaiOdeh3
327 Followers 493 Following
Hamad @AdamQrs
61 Followers 586 Following
Kristina Ann Betters @KBettersMD
386 Followers 433 Following Pediatric intensivist, human/dog/cat mom, always a #Gator! My opinions are my own.
Stephanie Rolsma @StephanieRolsma
38 Followers 109 Following Doctor • Researcher • Microbiology nerd • MSU alum • Lover of traveling, home cooking, and my two adorable cats • Views & tweets are my own
Azza Idris, MD, PhD @AzzaIdris_1
230 Followers 670 Following Pediatrician, immunologist, infectious diseases specialist, on quest for a malaria vaccine .... mother, soccer and basketball lover, wanna be gardener...
Katherine King MDPhD @TheKingLab
2K Followers 974 Following Pediatric Infectious Disease physician researching effects of inflammation on hematopoietic stem cells; Advisory Board, Doctors for Change
Rolando Ulloa-Gutierr... @rolandoug
2K Followers 1K Following Investigador, Hospital Nacional de Niños 🇨🇷, Miembro Academia Nacional de Medicina de Costa Rica. Enf Kawasaki, pertussis, vacunas, RSV, global health, pedsID
Virginia Pierce, MD @VMPierceMD
211 Followers 348 Following Clinical Microbiologist @UMichPath @umichmed. Pediatric Infectious Diseases doc. Views are my own.
Taylor Heald-Sargent ... @taylorhealdme
814 Followers 907 Following Mom, Wife, MD PhD, Peds Transplant ID Attending @LurieChildrens, Assistant Prof @NorthwesternU but tweets are my own
Rany Octaria @ranyoctaria
283 Followers 198 Following Infectious Disease Epidemiologist PhD Candidate at Vanderbilt University
Hamayail Ansari @hamayailsmile
577 Followers 795 Following #MedX I AKU '22 🩺 I President of @pfl_aku 2022-23 I Violinist 🎻I Tennis 🎾 I Digital Scrapbooker 📸
Yasmeen Z. Qwaider @QwaiderYasmeen
407 Followers 349 Following PGY-1 at @WiscSurgery via @VUMCchildren, @MGHSurgery, and @UJ_med | Amateur film critic | Opinions are my own
Zachary Freyberg @zfreyberg
2K Followers 4K Following
Rama Ellauzi @EllauziRama
4K Followers 2K Following Cardiovascular Disease Fellow at Mayo Clinic🫀 |Tweets=own
P.S.On.S. @Psonsweb
295 Followers 802 Following Pediatric Surgery Online Society ( Non-Gov Non-Profit). Maintenance and promote high clinical standards for pediatric Surgery and Urology patients in 🌎wide
Nijmeh Alsaadi, MD @NijmehAlsaadi
1K Followers 1K Following PGY-2 at @hopkinssurgery by way of @UJ_MED and @PittTTMRC | aspiring trauma surgeon | cat mom | amateur baker | opinions are my own
Reeyan Ahmed @reeyanahmed27
59 Followers 213 Following UTK ‘27|| Pediatric ER Tech|| Microbiology Research Assistant
Ranim Alsaad @RanimAlsaad
506 Followers 943 Following Hopkins HPB/Complex General Surgical Oncology fellow. via @hopkinssurgery Halsted residency. Traveler. Full-time cancer hater. Part-time foodie
Amina Ahmed @AminaAh92896629
6 Followers 151 Following
Emily Levy MD FAAP @EmilyLevyMD
1K Followers 834 Following Pediatric Critical Care & Infectious Diseases Physician, Infection Control @MayoClinic (opinions my own) |#zentensivist #pedsICU #pedsID
Kevin Hummel @khummelaz
32 Followers 237 Following
Sean M. Bloos, MD, MP... @smbloos
988 Followers 1K Following PGY-1 @VUMC_Anes | @tulanemedicine @uofsc alum | pre-hospital care, critical care, and trauma anesthesia | former firefighter / paramedic | views my own
Dr. Mark R. Schleiss @mschleiss
2K Followers 5K Following Pediatrician, Infectious Disease Physician, Vaccine Researcher & CMV Expert - UMN Center for Infectious Diseases and Microbiology Translational Research
Celestine Wanjalla @CWanjallaMDPhD
523 Followers 714 Following Physician Scientist mom and wife with an interest in Global Health Research, NCDs and HIV, Adipose tissue immunology, CMV and CVD. Opinions are my own.
Sarah Scott @sscott86
193 Followers 571 Following @EmoryInfectDis fellow, former Vandy lifer, & Med-Peds MD. Into public health, health equity, & all things HIV rx/prevention. Also, Indiana bball. Views my own.
Andrew Spieker @SpiekerStats
387 Followers 329 Following Associate Professor of Biostatistics at Vanderbilt | Hockey Fan | #Pokémon Master | https://t.co/Qh15HZYbEz | @SpiekerStats on Bluesky
TransplantID Journal @TheTxIDjournal
6K Followers 4K Following The TID journal targets experts who study, diagnose, treat & prevent infectious complications in SOT, HCT & Heme/Onc patients #TxID #transplant #IDtwitter
Theresa Madigan, MD @madiganciclovir
124 Followers 270 Following Pediatric ID MD @MayoClinicKids, interested in TxID and AS. ✈️ from 🇦🇹 to 🇺🇸. Views are my own.
Asad Naveed @dr_asadnaveed
25K Followers 428 Following MBChB, MPH. Posts on research, academia & AI. Fulbright & QES Scholar. Posts = my personal views.
Elisabeth Bik @MicrobiomDigest
143K Followers 45K Following Science integrity consultant, PhD. #ImageForensics Previously @ Stanford and (gasp!) uBiome. https://t.co/3DPRMloSwv. https://t.co/w7myEIVwOk 🇳🇱🇺🇸
Dr Lindsay Broadbent @LindsayBbent
7K Followers 5K Following Lecturer in Virology @UniOfSurrey focusing on respiratory virus/host interactions and innate immune responses. Views my own.
Michael Ison, MD MS @MichaelGIsonMD
5K Followers 2K Following #TxID MD and clinical respiratory virologist & Editor-in-Chief @TheTxIDjournal. All opinions and tweets are my own.
NATASHA HALASA @NATBASH15
407 Followers 443 Following
Paul Sax @PaulSaxMD
58K Followers 2K Following Harvard/Brigham Infectious Diseases doctor, writer, @CIDJournal editor, educator. Prefer baseball to football, pizza to sushi, dogs to cats, Beatles to Stones.
Carlos del Rio @CarlosdelRio7
56K Followers 2K Following Chair Department of Medicine at Emory Univ SOM; co-Director Emory CFAR; International Secretary of NAM. Posted opinions are own. RT not endorsements.
Rachel Wattier, MD, M... @RachelWattier
1K Followers 3K Following Pediatric ID & antimicrobial stewardship physician, UCSF. UroEpi K12 scholar, pediatric UTI diagnostic and preventive care. Views my own.
Julie Bastarache @JulesBass6
5K Followers 1K Following Physician, scientist, mom. Basic and translational research on acute lung injury, alveolar capillary barrier. #ARDS #sepsis #CellBiology #PulmCCM
Matthew R. Vogt @VogtVirusLab
1K Followers 1K Following A student of humans and viruses. And sometimes mice. Asst. Prof. of Pediatrics and Microbiology & Immunology @UNC_SOM. Peds ID doc. Tweets are mine.
Lara Danziger-Isakov @ldanzigerisakov
1K Followers 433 Following
Olivia Kates, MD @KatesOlivia
2K Followers 679 Following Infectious diseases MD for folks w/ transplants & cancer🦠 Bioethicist into vaccines & social connections👩🏻🏫 Yappy dog apologist on behalf of Wotan & Ozzy🐕
Vanderbilt School of ... @VUmedicine
7K Followers 697 Following Educating the next generation of health care leaders and innovators in the heart of Music City. #VandyMed (Not the medical center)
Tom Sandora @tomsandora
2K Followers 911 Following Hospital Epidemiologist @BostonChildrens, pediatric infectious diseases physician. @DukeU & @harvardmed alum, musician, traveler. Views mine. #MedEd
WashU Med - Pediatric... @WashUMedPedsID
312 Followers 133 Following Pediatric ID division at WashU Medicine and St. Louis Children's Hospital
Eric Skaar @EricSkaar
6K Followers 2K Following Scientist and Professor interested in host-microbe interactions, trail rides and runs, and live music. Tweets my own.
IDWeek @IDWeekmtg
18K Followers 163 Following Advancing science, improving care || A joint meeting of IDSA, SHEA, HIVMA, PIDS & SIDP || #IDWeek2025, Oct. 19-22, 2025 in Atlanta, GA
Antibiotic Steward Ba... @ABsteward
60K Followers 82 Following Stay up-to-date in Infectious Diseases, Clinical Pharmacist, Antibiotics #IDXposts AKA #IDTwitter T🌟P influencer,@Wiki_Guidelines ,#Interstellar,#Dune,🌹❤️Misk
Sajal Tanna, MD, MPH @SajalTanna
1K Followers 1K Following Transplant Infectious Diseases @InovaHealth. Trained at @DukeMedicine & @Penn_ID. @UVA, @TulaneMedicine, & @TulaneSPHTM alum. Tweets mine. 😷
IDSA @IDSAInfo
75K Followers 798 Following A global community of 13,000 clinicians, scientists and public health experts working together to solve humanity’s smallest and greatest challenges.
Chris Carroll MD @ChrisCarrollMD
20K Followers 3K Following #PedsICU Critical Care Doc. Deputy Editor @journal_CHEST. Father, educator, #zentensivist, @kate_moorehead’s husband.
The Klco Lab @KlcoLab
267 Followers 230 Following The Klco lab at @stjuderesearch - Defining the molecular and biological causes of pediatric myeloid tumors
Fresh Air @nprfreshair
235K Followers 2K Following From WHYY in Philadelphia... Peabody Award-winning interviews on arts & issues. | Daily updates on Instagram | Newsletter https://t.co/7SVSAGbYx2
Jay Wellons, MD, MSPH @JayWellons5
3K Followers 613 Following Pediatric neurosurgeon, @VUMC_neurosurg Vice Chair, and outcomes researcher. Rookie essayist and writer. All That Moves Us - pub date 6/28/2022!
Theresa Madigan, MD @madiganciclovir
124 Followers 270 Following Pediatric ID MD @MayoClinicKids, interested in TxID and AS. ✈️ from 🇦🇹 to 🇺🇸. Views are my own.
Herdi Kurnia @herdikur2605
25 Followers 90 Following
Reeyan Ahmed @reeyanahmed27
59 Followers 213 Following UTK ‘27|| Pediatric ER Tech|| Microbiology Research Assistant
Dr. Mark R. Schleiss @mschleiss
2K Followers 5K Following Pediatrician, Infectious Disease Physician, Vaccine Researcher & CMV Expert - UMN Center for Infectious Diseases and Microbiology Translational Research
P.S.On.S. @Psonsweb
295 Followers 802 Following Pediatric Surgery Online Society ( Non-Gov Non-Profit). Maintenance and promote high clinical standards for pediatric Surgery and Urology patients in 🌎wide
Angela Desmond, MD, P... @aedesmond
309 Followers 2K Following Pediatric Infectious Diseases physician and vaccinologist. Views my own. she/her. #Doubledoc #IDTwitter
Amina Ahmed @AminaAh92896629
6 Followers 151 Following
Nijmeh Alsaadi, MD @NijmehAlsaadi
1K Followers 1K Following PGY-2 at @hopkinssurgery by way of @UJ_MED and @PittTTMRC | aspiring trauma surgeon | cat mom | amateur baker | opinions are my own
EinsteinSurgery @SurgeryEinstein
773 Followers 101 Following Surgery Residency Program, Einstein Healthcare Network, Philadelphia, PA
Meharry-Vanderbilt Al... @mvalliance
1K Followers 599 Following Advancing inter-institutional collaborations to enhance and support high-impact translational research, interprofessional learning and community engagement.
Vanderbilt Health @VUMChealth
41K Followers 15K Following Sharing the latest from Vanderbilt Health & Vanderbilt University Medical Center. Join us: https://t.co/yWWgYMzuE0 Follows don't = endorsement.
Sean M. Bloos, MD, MP... @smbloos
988 Followers 1K Following PGY-1 @VUMC_Anes | @tulanemedicine @uofsc alum | pre-hospital care, critical care, and trauma anesthesia | former firefighter / paramedic | views my own
Andrew Spieker @SpiekerStats
387 Followers 329 Following Associate Professor of Biostatistics at Vanderbilt | Hockey Fan | #Pokémon Master | https://t.co/Qh15HZYbEz | @SpiekerStats on Bluesky
Emily Levy MD FAAP @EmilyLevyMD
1K Followers 834 Following Pediatric Critical Care & Infectious Diseases Physician, Infection Control @MayoClinic (opinions my own) |#zentensivist #pedsICU #pedsID
Harvard Medical Schoo... @harvardmed
460K Followers 656 Following Official Twitter home of Harvard Medical School, featuring our advances in biomedical research, trends in medical education, and more.
Nature Medicine @NatureMedicine
352K Followers 255 Following Nature Medicine is a research journal devoted to publishing the latest advances in translational and clinical research for scientists and physicians.
NIH @NIH
1.7M Followers 229 Following Official account of the National Institutes of Health. NIH...Turning Discovery Into Health®. Privacy Policy: https://t.co/wOGwZ3gX1M Engagement ≠ endorsement
TransplantID Journal @TheTxIDjournal
6K Followers 4K Following The TID journal targets experts who study, diagnose, treat & prevent infectious complications in SOT, HCT & Heme/Onc patients #TxID #transplant #IDtwitter
Marsha Dunn @MarshaD07145888
2 Followers 11 Following
Laura Vella @LauraVella17
770 Followers 517 Following Pediatric Infectious Diseases Physician, Human Immunologist, One Who Is Easily Amused.
Lisa Bastarache @lisa_bastarache
550 Followers 374 Following I have come here to chew bubblegum and reduce diagnostic delay in Mendelian disease. And I’m all outta bubblegum.
Kaitlin Williamson, M... @willikc2
46 Followers 120 Following Peds infectious diseases fellow and biomedical informatics grad student at @VUMC. Tweets are not intended as medical advice. Opinions are my own.
Amy Harmon @amy_harmon
21K Followers 13K Following New York Times reporter covering science, nature, social inequality | she/her
Sunil Geevarghese @skgeevarghese
2K Followers 3K Following Educating while operating, a hepatobiliary & liver transplant surgeon. Tweets my own
Martin Blakely @martinblakely
846 Followers 1K Following Pediatric surgeon, budding mixologist, yogi
Jeffry Upperman @PedsTraumaMan
3K Followers 2K Following Let’s build a bright health care future. Leader. Aggressive listener. Views my own. Bevanne is my wife. TedXCityLA: https://t.co/bKTH5Ptlhw Follow me on
Yanal Shawareb Halasa @ShawarebYanal
115 Followers 261 Following Proud Jordanian🇯🇴. IM PGY-2 at Marshall University Hospital. Research Fellow at Georgetown University.
Ped Infect Diseases @PIDJournal
3K Followers 323 Following The Pediatric Infectious Disease Journal® (PIDJ) is a complete, up-to-the-minute resource on #infectious #diseases in #children.COVID19: https://t.co/uQZOjH63pg
Florian Krammer @florian_krammer
346K Followers 1K Following Viruses, viruses, viruses and vaccines. V5=3xancestral+1x bivalent+1xXBB Professor at the Department of Microbiology Icahn School of Medicine at Mount Sinai
Kevin Messacar MD PhD @kmess44
2K Followers 1K Following Professor of Pediatrics and Infectious Diseases Physician-Scientist #diagnosticstewardship #acuteflaccidmyelitis #enterovirus #EVD68 #EVA71 #HPeV Views my own
My-Linh Ngo @MyLynnKnow
219 Followers 237 Following PHM fellowship PD & peds hosp @VUMCChildrenPHM • introverted feminist 💪🏽 dog mom 🐕 • Hotty Toddy & 🤘🏽• #MedEd 👩🏻🏫 • ❤️ food & live music • views my own
Julie Steinbrink, MD,... @Jmsteinbrink
2K Followers 2K Following Transplant ID | @PittMedAlum ➡️ @umichmedicine ➡️ @DukeAdultID | host biomarkers of infection, transcriptomics, fungi, HCV SOT | Views are my own
Alpana Waghmare @alpanaw
448 Followers 489 Following Pediatric Infectious Diseases doc studying respiratory viruses in immunocompromised hosts. @fredhutch @seattlechildren @UWmedicine Tweets are my own.
Kimryn Rathmell @KimrynRathmell
7K Followers 3K Following CEO, @OSUCCC_James. Physician-scientist, kidney cancer student, reader/writer, explorer of medicine and medical education. She/her. Views are my own.
Ann Chahroudi MD, PhD @AnnChahroudi
2K Followers 1K Following Pediatric Infectious Disease Physician-Scientist Studying HIV, SIV, Zika, COVID-19 Mom, wife, reader, runner @emorychoa_CCIV @EmoryCFAR @GradyHealth @PAVE_MDC
Ahmed M. Moustafa @Ahmed_Microbes
903 Followers 3K Following PhD BPharm Assistant Professor @Penn & @ChildrensPhila Director Sequencing Core @PCMicrobiome Co-Director Center for Microbial Medicine
David Hunstad @dhunstad17
570 Followers 474 Following Pediatric infectious diseases specialist, bacterial pathogenesis researcher, mentor, trail runner, sports fan. With a dash of metal
Josh Denny @jdnashville
1K Followers 102 Following Informatician/internist, prior Vanderbilt faculty, now with NIH All of Us Research Program. All views expressed are solely my own and not necessarily the NIH.