Learning Objectives
5 objectives- Understand the nature, causes, and transmission mechanisms of infectious diseases.
- Identify and describe different types of infectious agents and their disease processes.
- Explain the immune system’s response to infections and the role of key immune components.
- Analyze common infectious diseases, their global impact, and strategies for prevention and control.
- Evaluate the challenges posed by antimicrobial resistance and emerging infectious diseases within a global health context.
Content Outline
PreviewUnit 1636: Infectious Diseases
1. Introduction to Infectious Diseases
- Definition and characteristics of infectious diseases
- Causes of infectious diseases (infectious agents)
- Modes of transmission overview
- Impact on individuals and populations: morbidity, mortality, and social-economic effects
2. Types of Infectious Agents
- Bacteria
- Structure and characteristics
- Examples of bacterial diseases
- Viruses
- Viral structure and replication
- Examples of viral diseases
- Fungi
- Types of pathogenic fungi
- Fungal infections
- Parasites
- Protozoa and helminths overview
- Parasitic diseases
- Prions
- Definition and unique features
- Prion diseases
3. Transmission of Infectious Diseases
- Direct contact transmission
- Indirect contact transmission
- Airborne transmission
- Foodborne transmission
- Vector-borne transmission
- Other modes (vertical, fomites, droplets)
- Factors influencing transmission dynamics
4. Immune Response to Infections
- Overview of the immune system
- Innate immunity: barriers, phagocytes, inflammation
- Adaptive immunity: T-cells, B-cells, antibodies
- Immunological memory and vaccination relevance
- Immune evasion strategies by pathogens
5. Common Infectious Diseases
- Influenza
- Tuberculosis
- Malaria
- HIV/AIDS
- COVID-19
- Epidemiology, symptoms, treatment, and control measures for each
6. Prevention and Control of Infectious Diseases
- Vaccination programs and herd immunity
- Hygiene and sanitation practices
- Quarantine and isolation measures
- Public health interventions (surveillance, contact tracing)
- Role of education and community engagement
7. Antimicrobial Resistance (AMR)
- Definition and mechanisms of AMR
- Causes of antimicrobial resistance
- Consequences on treatment and public health
- Responsible antibiotic use and stewardship
- Strategies to combat AMR (policy, research, global efforts)
8. Emerging Infectious Diseases
- Definition and examples
- Factors contributing to emergence (environmental, social, biological)
- Challenges in detection and response
- Public health preparedness and outbreak management
9. Global Health Implications of Infectious Diseases
- Economic impact of infectious diseases
- Social and political consequences
- International collaboration and organizations (WHO, CDC, etc.)
- Global health security and disease surveillance
- Future outlook and sustainable disease control efforts
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