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Index
Title page
Table of Contents
Copyright
Preface
Acknowledgements
Contributors
Student Consultants
A contemporary approach to microbiology
Section 1: The adversaries – microbes
Chapter 1: Microbes as parasites
The varieties of microbes
Living inside or outside cells
Systems of classification
Chapter 2: The bacteria
Structure
Nutrition
Growth and division
Gene expression
Survival under adverse conditions
Mobile genetic elements
Mutation and gene transfer
The genomics of medically important bacteria
Chapter 3: The viruses
Infection of host cells
Replication
Outcome of viral infection
Major groups of viruses
Chapter 4: The fungi
Major groups of disease-causing fungi
Chapter 5: The protozoa
Chapter 6: The helminths and arthropods
The helminths
The arthropods
Chapter 7: Prions
‘Rogue protein’ pathogenesis
Development, transmission and diagnosis of prion diseases
Prevention and treatment of prion diseases
Chapter 8: The host–parasite relationship
The normal flora
Symbiotic associations
The characteristics of parasitism
The evolution of parasitism
Section 2: The adversaries–host defences
Chapter 9: The innate defences of the body
Defences against entry into the body
Defences once the microorganism penetrates the body
Elie Metchnikoff (1845–1916)
Oxygen-independent antimicrobial mechanisms
Oxygen-dependent antimicrobial mechanisms
Chapter 10: Adaptive responses provide a ‘quantum leap’ in effective defence
The role of antibodies
The role of T lymphocytes
Extracellular attack on large infectious agents
Local defences at mucosal surfaces
Chapter 11: The cellular basis of adaptive immune responses
B- and T-cell receptors
Clonal expansion of lymphocytes
The role of memory cells
Stimulation of lymphocytes
Cytokines
Regulatory mechanisms
Tolerance mechanisms
Section 3: The conflicts
Chapter 12: Background to the infectious diseases
Host–parasite relationships
Myxomatosis
Causes of infectious diseases
Robert Koch (1843–1910)
The biologic response gradient
Chapter 13: Entry, exit and transmission
Sites of entry
Exit and transmission
Types of transmission between humans
Transmission from animals
Chapter 14: Immune defences in action
Complement
Acute phase proteins and pattern recognition receptors
Fever
Natural killer cells
Phagocytosis
Cytokines
Antibody-mediated immunity
Cell-mediated immunity
Recovery from infection
Chapter 15: Spread and replication
Features of surface and systemic infections
Mechanisms of spread through the body
Genetic determinants of spread and replication
Genetically determined susceptibility to infection
Other factors affecting spread and replication
Chapter 16: Parasite survival strategies and persistent infections
Parasite survival strategies
Trail of illness from a slippery cook
Antigenic variation
Immunosuppression
Persistent infections
Persistence is of survival value for the microbe
Chapter 17: Pathologic consequences of infection
Pathology caused directly by microorganism
Diarrhea
Pathologic activation of natural immune mechanisms
Is it a cold – or is it flu?
Pathologic consequences of the immune response
Skin rashes
Viruses and cancer
The many faces of hepatitis B
Section 4: Clinical manifestation and diagnosis of infections by body system
Introduction
The clinical manifestations of infection
Chapter 18: Upper respiratory tract infections
Rhinitis
Pharyngitis and tonsillitis
Parotitis
Otitis and sinusitis
Acute epiglottitis
Oral cavity infections
Chapter 19: Lower respiratory tract infections
Laryngitis and tracheitis
Diphtheria
Diphtheria toxin
Whooping cough
Acute bronchitis
Acute exacerbations of chronic bronchitis
Bronchiolitis
Respiratory syncytial virus infection
Hantavirus pulmonary syndrome (HPS)
Pneumonia
Bacterial pneumonia
Viral pneumonia
Parainfluenza virus infection
Adenovirus infection
Human metapneumovirus
Human bocavirus
Influenza virus infection
Severe acute respiratory syndrome-associated coronavirus infection
Measles
Cytomegalovirus infection
Tuberculosis
Cystic fibrosis
Lung abscess
Fungal infections
Parasitic infections
Chapter 20: Urinary tract infections
Acquisition and etiology
Pathogenesis
Clinical features and complications
Laboratory diagnosis
Treatment
Prevention
Chapter 21: Sexually transmitted infections
STIs and sexual behaviour
Syphilis
Gonorrhoea
Chlamydial infection
Other causes of inguinal lymphadenopathy
Mycoplasmas and non-gonococcal urethritis
Other causes of vaginitis and urethritis
Genital herpes
Human papillomavirus infection
Human immunodeficiency virus
Opportunist STIs
Arthropod infestations
Chapter 22: Gastrointestinal tract infections
Diarrheal diseases caused by bacterial or viral infection
Food poisoning
Helicobacter pylori and gastric ulcer disease
Parasites and the gastrointestinal tract
Systemic infection initiated in the gastrointestinal tract
Hepatitis A
Hepatitis B
Hepadnaviruses
Chapter 23: Obstetric and perinatal infections
Infections occurring in pregnancy
Congenital infections
Rubella and the fetus
Infections occurring around the time of birth
Chapter 24: Central nervous system infections
Invasion of the central nervous system
The body’s response to invasion
Meningitis
Encephalitis
Neurologic diseases of possible viral Aetiology
Spongiform encephalopathies caused by scrapie-type agents
CNS Disease caused by parasites
Brain abscesses
Tetanus and botulism
Chapter 25: Infections of the eye
Conjunctivitis
Infection of the deeper layers of the eye
Chapter 26: Infections of the skin, soft tissue, muscle and associated systems
Bacterial infections of skin, soft tissue and muscle
Mycobacterial diseases of the skin
Fungal infections of the skin
Parasitic infections of the skin
Mucocutaneous lesions caused by viruses
Smallpox
Measles
Rubella
Other infections producing skin lesions
Kawasaki syndrome
Viral infections of muscle
Parasitic infections of muscle
Joint and bone infections
Infections of the haemopoietic system
Chapter 27: Vector-borne infections
Arbovirus infections
Infections caused by rickettsiae
Borrelia infections
Protozoal infections
Helminth infections
Chapter 28: Multisystem zoonoses
Arenavirus infections
Bolivian haemorrhagic fever: a lesson in ecology
Haemorrhagic fever with renal syndrome (HFRS)
Marburg and ebola haemorrhagic fevers
Crimean–congo haemorrhagic fever, a tick-borne virus
Q Fever
Anthrax
Plague
The Black Death in fourteenth-century England
Yersinia enterocolitica infection
Tularaemia
Pasteurella multocida infection
Leptospirosis
Rat-bite fever
Brucellosis
Helminth infections
Chapter 29: Fever of unknown origin
Definitions of fever of unknown origin
Causes of FUO
Investigation of classic FUO
Treatment of FUO
FUO in specific patient groups
Infective endocarditis
Chapter 30: Infections in the compromised host
The compromised host
Infections of the host with deficient innate immunity due to physical factors
Infections associated with secondary adaptive immunodeficiency
Other important opportunist pathogens
Section 5: Diagnosis and control
Chapter 31: Diagnosis of infection and assessment of host defence mechanisms
Aims of the clinical microbiology laboratory
Specimen processing
Body sites that are normally sterile
Body sites that have a normal commensal flora
Non-cultural techniques for the laboratory diagnosis of infection
Non-specific techniques for detection of microbial products
Antigen detection
Toxin detection
Cultivation (culture) of microorganisms
Identification of microorganisms grown in culture
Antibody detection methods for the diagnosis of infection
Assessment of host defence systems
Putting it all together: detection, diagnosis, and epidemiology
Legionnaires’ disease – a case study
Chapter 32: Epidemiology and control of infectious diseases
Outcome measurements
The interaction between prevalence, incidence, mortality and treatment
Types of epidemiological studies
Sensitivity, specificity, positive and negative predictive value
Transmission of infectious disease
Infectiousness – example syphilis
Terminology: latency
Vaccine efficacy
Chapter 33: Attacking the enemy: antimicrobial agents and chemotherapy
Selective toxicity
Paul Ehrlich (1854–1915)
Antimicrobial properties
Pharmacologic activities
Discovery and design of antimicrobial agents
Classification of antibacterial agents
Resistance to antibacterial agents
Classes of antibacterial agents
Inhibitors of cell wall synthesis
Inhibitors of protein synthesis
Basic rule: use only in severe, life-threatening infections
Inhibitors of nucleic acid synthesis
Antimetabolites affecting nucleic acid synthesis
Other agents that affect dna
Inhibitors of cytoplasmic membrane function
Urinary tract antiseptics
Antituberculosis agents
Antibacterial agents in practice
Antibiotic assays
Antiviral therapy
Antifungal agents
Control by chemotherapy versus vaccination
Louis Pasteur (1822–1895)
Control versus eradication
Use and misuse of antimicrobial agents
Chapter 34: Protecting the host: vaccination
Vaccination – a four hundred year history
Edward Jenner (1749–1823)
Aims of vaccination
Vaccines can be of different types
Live attenuated vaccines
Non-living vaccines
Genetically engineered vaccines
Chapter 35: Passive and non-specific immunotherapy
Passive immunization with antibody
Non-specific cellular immunostimulation
Microbial
Endogenous
Correction of host immunodeficiency
Probiotics
Chapter 36: Hospital infection, sterilization and disinfection
Common hospital infections
Important causes of hospital infection
Urinary tract infections
Surgical wound infections
Lower respiratory tract infections
Bacteraemia
Sources and routes of spread of hospital infection
Host factors and hospital infection
Consequences of hospital infection
Prevention of hospital infection
Bibliography
Index
Pathogen parade
Instructions for online access
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