1. Single-stranded DNA, non-enveloped
Parvoviridae
Human parvovirus
Fifth disease
Anemia

2. Double-stranded DNA, non-enveloped
Mastadenovirus
Respiratory infections
Tumors

3. Double-stranded DNA, non-enveloped
named for papillomas (warts) and polyomas (tumors)
Papillomavirus
human papilloma virus
one of the leading STD’s in the U.S.

4. Double-stranded DNA, enveloped
Cause diseases involving pus-filled skin lesions (pox)
Orthopoxvirus
smallpox (variola) virus
Molluscipoxvirus
molluscum contagiosum, cowpox

5. Double-stranded DNA, enveloped
named for spreading (herpetic) sores
Some can remain latent
Simplexvirus (HHV-1 & 2)
cold sores and genital herpes
Varicellavirus (HHV-3)
chickenpox
Lympocryptovirus (HHV-4)
infectious mononucleosis
Roseolovirus (HHV-6)
roseola
(HHV-8)
Kaposi’s sarcoma, in AIDS patients

6. Double-stranded DNA, enveloped
Hepadnavirus
Hepatitis B virus
Hepatitis and liver tumors
reverse transcriptase
oncovirus

7. Single-stranded RNA, + strand, non-enveloped
Smallest viruses
Enterovirus
70 known Enteroviruses including the poliovirus
Rhinovirus
More than 100 exist
Primary cause of common cold
Hepatitis A virus

8. Single-stranded RNA, + strand, non-enveloped
Hepatitis E virus
Norovirus
causes gastroenteritis

9. Single-stranded RNA, + strand, enveloped
Arbovirus
functional grouping
replicate in arthropods
Alphavirus
include EEE, WEE viruses
Rubivirus
rubella
Transmitted by respiratory route

10. Single-stranded RNA, + strand, enveloped
Arbovirus
Flavivirus
West Nile virus
Hepatitis C virus
Yellow fever virus
Dengue fever virus

11. Single-stranded RNA, + strand, enveloped
Coronavirus
Upper respiratory infections and the common cold
SARS virus

12. Single-stranded RNA, – strand, enveloped
Bullet shaped with spikes
Lyssavirus
rabies virus
numerous other animal diseases

13. Single-stranded RNA, – strand, one strand
Filovirus
Enveloped, helical viruses
Ebola and Marburg viruses

14. Single-stranded RNA, – strand, one strand
Paramyxovirus
parainfluenza and mumps
Morbillivirus
Measles-like virus

15. Single-stranded RNA, – strand, one strand
Hepatitis D virus
Depends on coinfection with Hepadnavirus (hepatitis B)

16. Single-stranded RNA, – strand, multiple strands
Influenzavirus
Influenza viruses A, B and C
Envelope spikes can agglutinate RBCs

17. Single-stranded RNA, – strand, multiple strands
Bunyavirus
California Encephalitis virus
Hantavirus
Pulmonary syndrome associated with rodents and hemorrhagic fevers

18. Single-stranded RNA, – strand, multiple strands
Arenavirus
Helical capsids contain RNA-containing granules
Lassa Fever

19. Single-stranded RNA, two + strands, produce DNA
Lentivirus
Human Immunodeficiency Virus
Reverse transcriptase
Oncovirus
Includes all RNA tumor viruses
Causes tumors and leukemia

20. Double-stranded RNA, non-enveloped
Reovirus
Mild respiratory infections
Rotavirus
gastroenteritis