basic principles of medica microbiology, bacteria classification,bacterial morphology and cell wall structure and synthesis,bacterial metabolism and growth, bacterial genetics, viral classification,structure and replication,fungal classification ,structure and replication,parasitic classification,structure and replication, commensal and pathogenic microbial flora in humans,basic concepts of immune response,elements of host protective responses,humoral immune response,cellular immune response,antimicrobial vaccines,molecular diagnosis,serologic diagnosis,bacteriology,mechanism of bacterial pathogenesis, antibacterial agents,anaerobic Gram-Negative bacteria,role of bacteria in disease,mechanism of viral pathogenesis,antiviral agents ,laboratory diagnosis of viral diseases,papillomaviruses and polyomaviruses, adenoviruses, poxviruses,parvoviruses,paramyxoviruses,orthomyxoviruses,rhabdoviruses,reoviruses,retroviruses,hepatitis viruses,role of viruses in diseases,mycology,pathogenesis of fungal disease,antifungal agents,laboratory diagnosis of fungal diseases,superficial and cutaneous mycoses,subcutaneous mycoses,systemic mycoses caused by endemic dimorphic fungal pathogens, opportunistic mycoses,mycotoxins and mycotoxicoses,role of fungi in disease,parastiology,pathogenesis of parasitic disease, antiparasitic agents, intestinal and urogenital protozoa,blood and tissue protozoa, nematodes, trematodes, cestodes, arthropods, role of parasites in disease, fungal and fungal -like infections of unusual or uncertain etiology,togaviruses and flaviviruses,subcutaneous mycoses, laboratory diagnosis of fungal disease, superficial and cutaneous mycoses,human herpesviruses