1. Biological Hazards Incautious Diseases Bacteria Viruses Fungi Parasite s Prions Parasites

2. Clinical stages of an Infectious Disease Infection Incubation Prodromal period Acute period Decline period Convalescence

3. Infectious Disease Cycle Source / Reservoir of Infection Active carrier Convalescent carrier Healthy Carrier Incubatory carrier Casual or Chronic

4. Transmission of Infectious Agents Airborne Travel over 1 meter or more Droplet Nuclei or Dust Contact Transmission Direct Fomites Vectors or Indirect Droplet

5. PORTAL OF ENTRY Skin Respiratory Tract Gastrointestinal Tract Urigenenital Tract Eyes and Ear Opportunists

6. PORTAL OF ENTRY Adaptations to suit the portal of entry Attachment Resistance against defences

7. Diseases transmitted By Air Bacterial Tuberculo sis Anthrax Legonella Q – Fever Neisseria Psittacosis Fungi Histoplasma Candida Viruses Influenza Measles Chickenpox Mumps Streptococcus Colds Parasites Toxoplasmosis Clamydia

8. TB

11. Diseases transmitted By Contact Bacterial Fungi Viruses Anthrax Salmonella (food) TB (milk, meat) Staphylococcus Pseudomonas STD Candida Tinia Ringworm Glanders Hepatitis A Polio Warts Epstine Barr

12. Normal Location of Staphylococcus

13. Staphylococcal infections

14. Staphylococcus

15. Possible location of Streptococcal infections

17. Clamydia Trachoma

19. Tick Borne Lyme Disease

20. Ringworm

22. Control " Personal Hygiene " Sanitation " Vaccination " Passive Immunity " Active Immunity " Antibiotics " Isolation " Quarantine

23. The End