From: Co-presence of human papillomaviruses and Epstein–Barr virus is linked with advanced tumor stage: a tissue microarray study in head and neck cancer patients
Samples
No. of cases
High-risk HPV types
16
18
31
33
35
45
51
52
58
EBV (+)
68
10
8
0
20
7
27
EBV (−)
30
11
24
1
3
2
4
Total
98
21
55
9
14
47
p-value
0.03*
0.003**
0.34
N/A
0.04*
0.85
0.89
0.02*