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VIRUSES CHAPTER 13 Gardasil® targets two strains of HPV that cause 70% of all cervical cancer, and two strains that cause 30% of genital warts.. Age 9-26.

Published byΦωτινή Βασιλικός Modified over 6 years ago

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Presentation on theme: "VIRUSES CHAPTER 13 Gardasil® targets two strains of HPV that cause 70% of all cervical cancer, and two strains that cause 30% of genital warts.. Age 9-26."— Presentation transcript:

1 VIRUSES CHAPTER 13 Gardasil® targets two strains of HPV that cause 70% of all cervical cancer, and two strains that cause 30% of genital warts.. Age 9-26 are suggested; 3 shots two months apart; costs $120 x 3 that is not covered by all insurance policies.

2 What are Viruses? Obligate intracellular parasites Viral components
Nucleic acids Capsid Envelope British immunologist Peter Medawar:”A piece of bad news wrapped up in protein”

3 Viral Shapes and Sizes Helical Spherical Polyhedral

4 Infectious Properties
Viral Host range Spectrum of host Viral specificity Types of cells Viral Origins Unknown

5 Nucleic Acid DNA viruses RNA viruses ds DNA ss DNA + strand – strand
Double strand

6 11 RNA Virus Families Togaviridae Flaviviridae Retroviridae
Picornaviridae Togaviridae Flaviviridae Retroviridae Paramyxoviridae Rhabdoviridae Orthomyxoviridae

7 RNA Virus Families (cont.)
Filoviridae Bunyaviridae Arenaviridae Reoviridae

8 DNA Virus Families Adenoviridae Herpesviridae Poxviridae Papovaviridae
Hepadnaviridae Parvoviridae Emerging Viruses: Previously endemic

9 Viral Replication Activities Adsorption
Penetration (virus or chromosome) Synthesis Maturation Release

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14 Bacteriophages Plaque counts

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16

17 Culturing Animal Viruses
Eggs Cell Culture Primary Continuous

18 Viral Cytopathic Effects
Cytopathy Teratogenic effects

19 Viruslike Agents Satellites Prions Viroids

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