Detection of Human Papillomavirus Genotypes and Epstein-Barr Virus in Nasopharyngeal Carcinomas at the Korle-Bu Teaching Hospital, Ghana

Figure 2

An electropherogram of 2nd nested PCR products of human papillomavirus. The 322 bp and 263 bp fragments corresponding to the amplified HPV-18 and 31 DNA, respectively. Lane M: 100 bp molecular size marker; NC: negative control (no DNA); PC: positive control (HPV-18 plasmid DNA); S1: HPV-31 DNA positive sample; S3, S4, S5, S6, and S7: HPV-18 DNA positive samples.