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Conference on Bacteriophages
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Nikhil George, MD
University of California San Francisco
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San Francisco, CA
Natalie Neu, MD, MPH
University of California San Francisco
Professor of Medicine, Emeritus
San Francisco, CA
Nicolas Chomont, PhD
University of California San Francisco
Professor of Medicine, Emeritus
San Francisco, CA
Nwora Lance Okeke, MD, MPH
University of California San Francisco
Professor of Medicine, Emeritus
San Francisco, CA
Nichole Klatt, PhD
University of California San Francisco
Professor of Medicine, Emeritus
San Francisco, CA
Nadine J. Kaslow, PhD
University of California San Francisco
Professor of Medicine, Emeritus
San Francisco, CA
Nancy S. Reau, MD
University of California San Francisco
Professor of Medicine, Emeritus
San Francisco, CA
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CROI
Conference on Bacteriophages
RWHAP CLINICAL CONFERENCE
Podcasts
Slides
Question of the Week
Donate
Contact
CME Courses
HIV In-Person and Virtual Courses
Current On-Demand Courses
About Courses
CME Webinars
Upcoming Webinars
Current On-Demand Webinars
MATE Act CME
About Webinars
Dialogues
Upcoming IAS–USA Dialogues: Emerging Infections and Health Threats
On-Demand Dialogues
About Dialogues
Topics In Antiviral Medicine
Current Issues for CME
Previous Issues
TAM
Policies and Practices
Permission Request Form
HIV Drug Resistance
HIV Drug Resistance Mutations Chart
Recent Webinars
Journal Articles
Fellow Resources
Resources for Fellows and Others New to the HIV Field
On-Demand Webinars for Fellows
IAS-USA Guidelines and Recommendations
On-Demand Webcasts
Research Collaborations
Additional Resources
About
Scientific Leadership Board
IAS-USA Leadership Award Recipients
Core Faculty
Mission
Staff
CME
Funding Information
Careers
Website Policies
Discrimination and Harassment Policy
Governance
Suggestions and Recommendations from San Francisco Locals
FAQs
Practice Question of the Week
February 2, 2026: Preexposture Prophylaxis Management After Bariatric Surgery
As a member of a national preexposure prophylaxis (PrEP) guideline committee, you are asked to include a paragraph about PrEP in individuals who have had bariatric surgery. Which of the following do you advise?
A. Oral PrEP with tenofovir disoproxil fumarate (TDF)/emtricitabine (FTC) is not an option due to insufficient absorption of TDF/FTC
B. Oral PrEP with tenofovir alafenamide (TAF)/FTC is preferred over oral PrEP with TDF/FTC
C. Daily PrEP with TDF/FTC is an option, but on-demand PrEP with TDF/FTC cannot be recommended
D. Individuals who have had bariatric surgery should receive parenteral PrEP (eg, injectable cabotegravir [CAB] or lenacapavir [LEN])
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