He has dozens of peer-reviewed publications on the pandemic and has commented extensively on the medical response to the COVID-19 crisis in TheHill, America Out Loud, and on FOX NEWS Channel.
Dr. McCullough testified multiple times in the US Senate, Texas Senate Committee on Health and Human Services, Arizona Senate and House of Representatives, Colorado General Assembly, New Hampshire Senate, Pennsylvania Senate, and South Carolina Senate concerning many aspects of the pandemic response.
Dr. McCullough has dedicated his academic and clinical efforts in combating the SARS-CoV-2 virus and in doing so, has reviewed numerous of reports, participated in scientific congresses, group discussions, press releases, and has been considered among the world's experts on COVID-19 treating hundreds and advising on thousands of cases.