Catalog · Physics of COVID-19 Transmission Lecture 8 of 49 Video 1-6: Transfer of Respiratory Pathogens—Viruses ← Previous Video 1-5: Transfer of Respiratory Pathogens—Bacteria Next → Video 1-7: Transfer of Respiratory Pathogens—Escape Time of Virions ✓ Mark complete Materials Transcript (PDF) ↗ transcript