DNA Virus

DNA Virus 

DNA virus is a virus that has a genome made of deoxyribonucleic acid (DNA).

Those DNA virus have two strands of DNA in their genome, called double-stranded DNA viruses, 

and those DNA viruses have one strand of DNA in their genome, called single-stranded DNA viruses.

1. Poxviridae family

Largest virus responsible for skin infections and molluscum contagiosum.

For example; 

Small pox

Cow pox

Vaccinia

2. Herpes viridae family

Cause herpes and chicken pox infection in nerve ganglia.

For example; 

Herpes simple virus

CMV (cytomegalovirus)

EBV (Epstein Barr virus)

3. Hepadna viridae family

Include hepatitis B virus

It is only hepatitis B virus which contain DNA.

It is blood borne pathogen.

4. Parvoviridae family

Vary small viruses causing slapped cheek disease.

5. Papovaviridae family

Small viruses causing skin and genital warts.

Oncogenic.

6. Adenoviridae family

Effect children and cause respiratory tract infection, diarrhoea and conjuctivitis.

For example;

Herpes simplex virus, varicella zoster virus