1. General Properties and Classification of viruses Dr AYMAN JOHARGY 3 rd Year Medicine Clinical Microbiology 2 nd Semester Lecture 1 3 rd Year Medicine Clinical Microbiology 2 nd Semester Lecture 1

2. LEARNING OUTCOMES

3. Learning outcomes * Define viruses * Identify Viruses Structure and characteristics * Define viriods, prions, bactriophage, virulent * Know how viruses can be classified? * Recognize the effect of Sterilization and disinfections on viruses * Describe how viruses are a real threat to human life? * List families and members of DNA viruses * List families and members of RNA viruses At the end of this lecture you should be able to:

4. OUTLINES * Why we study virology * History of virology * Origin of viruses * Definition of a Virus * Virus Structure * Virus characteristics * Terms * Virus classification * Sterilization and disinfections * Viruses are a real threat to human life * DNA viruses * RNA viruses

6. WHY WE STUDY VIROLOGY?

7. HISTORY OF VIROLOGY

9. Latin Word Meaning “Poison”

10. DEFINITTION, PROPERTIES AND STRUCTURE OF VIRUSES

13. VIRUSES AND HUMAN

14. CLASSIFICATION OF VIRUSES

15. order - family - subfamily - genus - species - strain/type Viralis- Viridae- Virinae- Virus DR AYMAN JOHARGY

16. VIRUS GENOMES DNA RNA Single Stranded Double Stranded Circular + or - Segmented Double Stranded Segmented

17. HELICAL ICOSAHEDRAL

18. STERILIZATION AND DISINFECTION OF VIRUSES

19. DNA VIRUSES

20. PARVOVIRIDAE POLYOMAVIRIDAE ADENOVIRIDAE HERPESVIRIDAE HEPADNAVIRIDAEPOXVIRIDAE

21. RNA VIRUSES

22. PICORNAVIRIDAE TOGAVIRIDAE FLAVIVIRIDAE REOVIRIDAE BUNYAVIRIDAE RHABDOVIRIDAE ARENAVIRIDAE RETROVIRIDAE ORTHOMYXOVIRIDAE PARAMYXOVIRIDAE CORONAVIRIDAE

23. SUMMARY

24. * Why we study virology * History of virology * Origin of viruses * Definition of a Virus * Virus Structure * Virus characteristics * Terms * Virus classification * Sterilization and disinfections * Viruses are a real threat to human life * DNA viruses * RNA viruses