Quarantine, herd immunity, physical controls, antibiotics, antivirals and resistance

What this note covers

1. Layered control targets source, route and susceptible hosts
2. Quarantine reduces movement during a relevant risk period
3. Vaccination protects individuals and can create herd effects
4. Antibiotics target bacteria and select among variants
5. Antivirals disrupt virus-specific stages
6. Monitoring tests whether control interrupted transmission

6 sections · 10 key terms & formulas · 6 common mistakes