Speaker: Dr. David Hamer. BIO: Davidson Hamer, MD is a Professor of Global Health and Medicine at the Boston University Schools of Public Health and Medicine, a faculty member in the National Emerging Infectious Diseases Laboratory, an affiliate faculty member in the new Center for Emerging Infectious Diseases Policy and Research, and an attending physician in infectious diseases at Boston Medical Center. Dr. Hamer is an infectious disease specialist with particular interests in emerging diseases, tropical medicine, travel medicine, infection control, and antimicrobial resistance. Dr. Hamer served as the principal investigator from 2014 to 2021for GeoSentinel, a global surveillance network of 68 sites in 28 countries that uses returning travelers, immigrants, and refugees as sentinels of disease emergence and transmission patterns throughout the world. He is now the new Surveillance Lead for GeoSentinel. He is also a member of the Medical Advisory Group to the President of Boston University, a member of the BU Community Health Oversight Group and Vaccine Preparedness Group, and the Director of the BU COVID-19 Surveillance and Response Team, which has been helping with the COVID-19 mitigation strategies necessary for keeping the campus healthy and safe. Dr. Hamer has particular expertise in the epidemiology and diagnosis of SARS-CoV-2 as well as strategies for prevention of transmission including vaccination.