Fig. 2.
Phylogenetic tree among dengue-3 viruses generated by the Neighbour-Joining method based on the C-prM gene junction. Each strain is abbreviated with the GenBank accession number followed by strain ID, country of origin with last two digits of year of isolation. The dengue-3 viruses sequenced in this study are indicated by a solid square (■). Bootstrap values are indicated at the major branch points.