| SCC | Squamous cell carcinoma |
| PCR | Polymerase chain reaction |
| CMV | Cytomegalovirus |
| HSV | Herpes simplex virus |
| EBV | Epstein–Barr virus |
| HPV | Human papillomavirus |
| SCC | Squamous cell carcinoma |
| PCR | Polymerase chain reaction |
| CMV | Cytomegalovirus |
| HSV | Herpes simplex virus |
| EBV | Epstein–Barr virus |
| HPV | Human papillomavirus |