... to each serotype of the virus (present in all strains of the serotype), and (d) unique to each individual viral strain’s genome(present in the strain and absent from all other strains) . The ... encephalitis, and dengue fever. One or more of the four serotypes of the dengue virus areendemic in many parts of the world, including all of south-east Asia, parts of Africa, and Southern and Central ... is in order to determine whe-ther it is, in fact, the optimal solution. For instance, a par-ticular set may exceed the minimum values required of a, b and c and, in fact, have values A, B and...