Contents: General principles of medical microbiology -- Pathogenicbacteria -- General principles of medical bacteriology --Pathogenic bacteria -- Pathogenic viruses -- Generalprinciples of medical virology -- Class I: Double strandedDNA viruses (dsDNA) -- Class II: Single stranded DNAviruses (ssDNA) -- Class III: Double stranded RNA viruses(dsRNA) -- Class IV: Single stranded RNA viruses (ss(+)RNA) -- Class V: Single stranded RNA viruses (ss(-)RNA) -- Class VI: Single stranded RNA viruses (ssRNA RT) withDNA intermediate -- Class VII: Double stranded DNA viruses(dsDNA RT) with RNA intermediate -- Prion -- Pathogenicfungi -- General principles of medical fungi -- Pathogenicfungi