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CHAPTER 22
Chapter Outline
Classification of Microorganisms
Binomial Nomenclature
Normal Flora
Infectious Disease
Course of an Infectious Disease
Types of Infection
Epidemiology
Portals of Entry and Exit
Reservoirs of Infection
Spread of Infection
Methods of Control of Microbes
Antiseptics, Disinfectants, and Sterilization
Public Health Measures
Food
Water
Emerging diseases and biological weapons
The Pathogens
Bacteria
The Gram stain
Special characteristics
Rickettsias and chlamydias
Antibiotics
Viruses
Antiviral medications
Fungi
Antifungal medications
Protozoa
Worms (Helminths)
Arthropods
BOX22–1 THE GOLDEN AGE OF MICROBIOLOGY
BOX22–2 MICROBIOLOGY IN THE 20 TH CENTURY
BOX22–3 MICROBIOLOGY IN THE 21 ST CENTURY
Student Objectives- Explain how microorganisms are classified and
named. - Describe the distribution of and benefits provided
by normal flora. - Explain what is meant by an infectious disease, and
describe the different types of infection. - Describe the ways in which infectious diseases may
be spread. - Explain how the growth of microorganisms may
be controlled and the importance of this to public
health. - Describe the general structure of bacteria, viruses,
fungi, and protozoa and the diseases they cause. - Name the common worm infestations, and name
the arthropods that are vectors of disease.