Watch Current Video List All Videos ✓ Introduction Discussion Forum ✓ Preventing the Next Pandemic ✓ What, when and where? ✓ Test your pandemic intuition ✓ Lectures ✓ Lecture I. ✓ Summary ✓ Outbreak detection, prediction, and containment in human social networks ✓ Quiz I ✓ Lecture II. ✓ Summary ✓ The elusive threat of influenza ✓ Quiz II ✓ More Background & Terminology ✓ Background ✓ Pandemic or epidemic? ✓ Prevention toolkit ✓ Terminology ✓ Glossary ✓ In depth: Case-fatality rate (CFR) ✓ In depth: Basic reproduction number (R0) ✓ In depth: Virus life cycle ✓ Discussion ✓ Influenza Pandemic of 1918 ✓ Readings ✓ Questions ✓ Universal Influenza Vaccine ✓ Readings ✓ Questions ✓ 3.2 Terminology » In depth: Case-fatality rate (CFR)