The iceberg concept of infectious disease Poliomyelitis in a child Classical 0.1-1% of infections are clinical disease clinically apparent ess severe Rubella disease 50%of infections are clinically apparent Asymptomatic Spectrum of infection virulence Rabies 100%of infections are clinically apparent
Spectrum of virulence Poliomyelitis in a child 0.1-1% of infections are clinically apparent Rubella 50% of infections are clinically apparent Rabies 100% of infections are clinically apparent The iceberg concept of infectious disease Asymptomatic infection Classical clinical disease Less severe disease
Medical microbiology Study of causative agents of human infectious diseases and reactions to the infections Etiology, pathogenesis, laboratory diagnosis, specific treatment and control of infection(immunization) Oo
Medical microbiology Study of causative agents of human infectious diseases and reactions to the infections. Etiology, pathogenesis, laboratory diagnosis, specific treatment and control of infection (immunization)
Biologic Relationships of Pathogenic Microorganisms Bacteria Archaea Eucarya Green Filamentous Slime bacteria molds Animals Spirochetes Entamoebae Fungi Methanosarcina Gram Methanobacterium Halophiles Plants Proteobacteria positives Methanococcus Cyanobacteria Ciliates T celer Planctomyces Thermoproteus Flagellates Pyrodicticum Bacteroides Trichomonad Cytophaga Microsporidia Thermotoga Diplomonads Aquifex Source: Brooks GF, Carroll KC, Butel JS, Morse SA, Mietzner TA: Jawetz, Melnick, Adeiberg's Based on rrna data Medical Microbiology, 26th Edition Copyright The McGraw-Hill Companies, Inc. All rights reserved Why no virus in the“tree”? Figure 3-3 in Chapter 3, p. 48
Biologic Relationships of Pathogenic Microorganisms Figure 3-3 in Chapter 3, p.48 Based on rRNA data Why no Virus in the “tree”?