Koilocytes are characteristic of

cells infected with human papillomavirus

cells infected with herpes simplex virus 2

cells infected with all forms of herpesviruses

cervical cancer cells

Cells infected with human papillomavirus.

Explanation:

Koilocyte is a type of squamous epithelial cell that has a number of structural changes, which leads the cell infected by human papillomavirus. Koilocyte have many cellular changes like:

A clear area present around the nucleus, called perinuclear halo. Nuclear enlargement. Irregularity of the nuclear membrane.

Human papillomavirus (HPV) is the most common sexually (active) transmitted infection. Sometimes it can be transmitted during birth (from mother to the child).