Figure 1.

Prevalence of human papillomavirus (HPV) in 225 women with cervical squamous cell carcinoma by HIV status and multiplicity of HPV infection110 HPV-negative women were excluded; 2Either 16 or 18 as single infection or in combination with any type as multiple type infection; HPV: human papillomavirus; HRX: uncharacterized high-risk type; LR: low-risk.

De Vuyst et al. Infectious Agents and Cancer 2012 7(Suppl 1):O12   doi:10.1186/1750-9378-7-S1-O12