Dr. McCullough is an internist, cardiologist, and epidemiologist managing the cardiovascular complications of both the viral infection and the injuries developing after the COVID-19 vaccine in Dallas, TX, USA.Since the outset of the pandemic, Dr. McCullough has been a leader in the medical response to the COVID-19 disaster and has published “Pathophysiological Basis and Rationale for Early Outpatient Treatment of SARS-CoV-2 (COVID-19) Infection,” the first synthesis of sequenced multidrug treatment of ambulatory patients infected with SARS-CoV-2 in the American Journal of Medicine and subsequently updated in Reviews in Cardiovascular Medicine. He has dozens of peer-reviewed publications on the infection and has extensively commented on the medical response to the COVID-19 crisis in TheHill, America Out Loud, NewsMax, One America News, Victory Channel, NTD, and FOX NEWS Channel.On November 19, 2020, Dr. McCullough testified in the US Senate Committee on Homeland Security and Governmental Affairs, in 2021-2022, the Texas Senate Committee on Health and Human Services, Colorado General Assembly, New Hampshire Senate, Pennsylvania Senate, and South Carolina Senate concerning many aspects of the pandemic response. On January 24, 2022, Dr. McCullough co-moderated and testified in the US Senate Panel “COVID-19: A Second Opinion” chaired by Senator Ron Johnson. Dr. McCullough has reviewed thousands of reports, participated in scientific congresses, group discussions, and press releases, and has been considered among the world's top experts on COVID-19.