We are seeking patients that have had a pre-COVID heart CT scan (Coronary Computed Tomography Angiography) that was performed at Columbia University Irving Medical Center/NewYork-Presbyterian Hospital before March of 2020. For this study, half of patients will be required to have had COVID-…
The purpose of this study is to assess the effectiveness of influenza and SARS-CoV-2 vaccines for preventing transmission of infections in households. We are seeking volunteers who have been recently diagnosed with COVID-19 or Influenza virus infection by either rapid diagnostic assay or RT-PCR…