A Practice Note describing fraud schemes targeted by the federal government during the Covid-19 pandemic. The Note explains the government's approach to prosecuting Covid-19 fraud under the False Claims Act (FCA). It describes joint enforcement efforts by the U.S Department of Justice (DOJ), the Federal Trade Commission (FTC), and the Federal Food and Drug Administration (FDA). The Note explains agency efforts during the pandemic to prevent drug diversion, the marketing of fake Covid-19 treatments, telehealth fraud, and misuse of patient health information. It provides useful information for counsel representing providers that have received funds under the Coronavirus Aid, Relief, and Economic Security Act (CARES Act) and are subject to audit. The Note is based on federal law.