Operator Good afternoon, everyone, and welcome to the OraSure Technologies' First Quarter 2021 Financial Results Conference Call and Simultaneous Webcast. [Operator Instructions] I would now like to turn the call over to Jeanne Mell, Vice President of Corporate Communications for OraSure. Jeanne? Jeanne Mell -- Vice President, Corporate Communications Thank you, operator. With us today are Dr. Stephen Tang, President and Chief Executive Officer; and Mr. Roberto Cuca, Chief Financial Officer. Dr. Tang and Mr. Cuca will begin with opening statements, which will be followed by the question-and-answer session. Before I turn the call over to Dr. Tang, you should know that this call may contain certain forward-looking statements, including statements with respect to revenues, expenses, profitability, earnings or loss per share and other financial performance, product development, performance, shipments and markets, business plans, regulatory filings and approvals, expectations and strategies.