The J&J Vaccine and Blood Clots: What Do We Know & What Should We Do? @UCSFSchoolofMedicine
The J&J Vaccine and Blood Clots: What Do We Know & What Should We Do?  @UCSFSchoolofMedicine
Uploaded April 2021 | Updated September 2026, 2 weeks ago
In this UCSF Department of Medicine Covid-19 Grand Rounds, we will discuss the pause in the use of the Johnson & Johnson vaccine after reports of rare and dangerous blood clots. Dr. John Moore, an international expert on virology and immunology, will review what we currently know about this side effect. He’ll also discuss the mechanisms of the various vaccines, as well as their efficacy and side effects. UCSF hematology expert Dr. Andrew Leavitt will discuss what is known about the syndrome of vaccine-induced thrombotic thrombocytopenia, including how to recognize and treat the disorder. The session is moderated by UCSF Department of Medicine Chair Bob Wachter.

Program
Bob Wachter: Introduction
00:04:25-00:43:47 – Conversation with John Moore (Professor of Microbiology and Immunology, Weill Cornell Medicine, Cornell University
00:43:47¬¬-01:00:00 – Discussion about Thrombotic Thrombocytopenia: Andrew Leavitt (UCSF Professor of Laboratory Medicine and Medicine; Director of UCSF's Program for Noncancerous Blood Disorders; and Co-Director of the UCSF Hemophilia Treatment Center)
01:00:00-01:05:26 – Q&A and Conversation with Andrew Leavitt
Bob Wachter: Closing

See previous Covid-19 Medical Grand Rounds:
• April 8: The Fourth Wave, and “Is it Safe to…?” youtu.be/AaS-OUL7BGc
• March 25: The State of the Pandemic, Therapeutics, and Emerging Data on Variants youtu.be/WXv8nBUdUSg
• March 11: Covid at One Year: Looking Back and Looking Ahead youtu.be/snZftVKIE-c
• February 18: The 23rd Annual Reza Gandjei Memorial Lecture: A Conversation with Atul Gawande youtu.be/b3qbX6LS3Ro

See all UCSF Covid-19 grand rounds, which have been viewed over 1.78M times, here: https://medicine.ucsf.edu/covid-19-news-coverage
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The J&J Vaccine and Blood Clots: What Do We Know & What Should We Do?

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