Nucleotide phylogenetic analysis of A) the partial polymerase gene and B) the partial capsid gene of recombinant noroviruses (NoVs) detected in South Africa. Neighbor-joining phylogenetic analysis of the partial polymerase (720 bp) region and the partial capsid (270 bp) region of 11 NoV recombinant strains. The NoV reference strains are indicated by GenBank accession numbers and the strains identified in this study are shown in bold. Statistical significance was evaluated with a 1000 bootstrap replicates and bootstrap support of >70% is indicated. The scale bar represents nucleotide substitutions per site.