MINPP1 and periodontitis: Of the 33 subjects investigated for EBV-I and CMV coinfection, 10 subjects (30.30%) resulted positive (n = 8, 24.24% periodontitis; n = 2, 6.06% MIPP) and 23 (69.70%) negative (n = 14, 42.42% MIPP; n = 9, 27.27% periodontitis) [17,27,28].