From: Rare subtype(s) and frequency of multi-viral subtype high-risk human papilloma virus infection in high-grade squamous intraepithelial lesion and squamous cell carcinoma in a cervical carcinoma prevalent developing country: a multiplex real-time polymerase chain reaction-based pilot study
Subtypes
N
Viruses per 1000 cells
Range
HPV 16
37
Positive*–440,991
HPV 18
10
Positive*–751
HPV45
1
2100
HPV 52
22