Retroviruses

Lentiviruses

Adenoviruses

Adeno-associated viruses

Viral genome

RNA

RNA

DNA

DNA

Target cells

Dividing cells

Dividing and

nondividing cells

Dividing and

nondividing cells

Dividing and

nondividing cells

Integration in the host genome

Yes

Yes

No

Yes

Response

Long-term

Long-term

Short-term

Long-term

Size of the genetic

material to be carried

8 kb

8 kb

7.5 - 30 kb

4.5 kb