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Assessing The Risks In Pausing The Johnson & Johnson Vaccine

Virus Outbreak Vaccine
Matt Rourke/AP
In this March 26, 2021, file photo, a member of the Philadelphia Fire Department prepares a dose of the Johnson & Johnson COVID-19 vaccine at a vaccination site setup at a Salvation Army location in Philadelphia. U.S. health regulators on Tuesday, April 13, is recommending a “pause” in using the vaccine to investigate reports of potentially dangerous blood clots. (AP Photo/Matt Rourke, File)

The pause in the use of Johnson & Johnson’s Covid-19 vaccine may continue for a week to 10 days - after expert advisers to the CDC said they needed more time to assess a possible link to a rare but serious blood-clotting disorder.

On this edition of River to River, host Ben Kieffer speaks with hospital epidemiologist at the University of Iowa Dr. Jorge Salinas about the pause in shots of the Johnson & Johnson vaccine. Health reporters Michaela Ramm of the Cedar Rapids Gazette and Natalie Krebs of Iowa Public Radio also join the program for their perspectives on the pandemic and the vaccination campaign.


  • Jorge Salinas, hospital epidemiologist, Carver College of Medicine, University of Iowa
  • Michaela Ramm, health reporter, Cedar Rapids Gazette
  • Natalie Krebs, health reporter, Iowa Public Radio
Ben Kieffer is the host of IPR's River to River
Matthew was a producer for IPR's River to River and Talk of Iowa