As new infectious threats are presented, QuidelOrtho is committed to exploring and sharing ways to advance safety and mitigate risks to the blood supply. Download our informative, easy to read Donor Learning Cards. Each chapter features an infectious disease assay with Overview, Immunology, Causes – Signs/Symptoms and Incidence & Prevalence providing the fundamentals for donor screenings. Donor Learning Cards are available to you in support of our shared vision for continuous education toward improved patient care.