This week hosts Mark Masselli and Margaret Flinter welcome Dr. Ashish Jha, Dean of the Brown University School of Public Health. Dr. Jha is a world renowned expert on pandemic preparedness and addresses concerns around the rare blood clot risk with the J&J vaccine, saying the brief pause in distribution is further evidence our scientific surveillance is working. He also talks about the impact of the pandemic to propel meaningful change in public health in the US, and the global health infrastructure as well.