What is the the mechanisms that Pseudomonas aeruginosa, Staphylococcus aureus,Propionibacterium acnes and Streptococcus pyogenes utilize to cause disease on skin and in the eyes?

1. What is the organism reservior for Streptococcus agalactiae?  2. What is the clinical significance of Streptococcus agalactiae?

Who is most at risk for contracting plague and why?

1. Describe differences between microbiota and pathogens. 2. Discuss the relationship between infection and disease and between virulence and pathogenicity. 3. Distinguish between the signs and symptoms of a disease. 4. Explain the role of immunopathogenesis in infectious disease. 5. Describe the five basic stages of infectious disease. 6. Describe complex versus simple infection cycles. 7. Differentiate endemic, epidemic, and pandemic disease. 8. Explain animal reservoirs and vectors. 9. Describe the various portals of entry and exit for microbial pathogens. 10. Define the biological features of human hosts that influence the course of an infection.