Serum samples obtained from unvaccinated persons after infection with the B.1.1.7 (alpha), B.1.351 (beta), or B.1.617.2 (delta) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ...

This lab includes a demonstration of the proper use of a burette system for titrations; including a detailed description, instructional video, and opportunity for students to collect data to ...