Relationships between the subtype D sequences inferred using maximum likelihood phylogeny (GenBank deposited <i>pol</i> sequences).

Abstract

<p>Country-specific sequences are marked with the same color: red – Poland, blue – Uganda, green – Tanzania, yellow – Europe (except Poland), brown – Cameroon, magenta - Senegal, cyan- Sudan, dark green – other African countries, violet – South America, grey – Asia, orange – North America.</p