Lipopolysaccharide from nonvirulent Ara+ Burkholderia pseudomallei isolates is immunologically indistinguishable from lipopolysaccharide from virulent Ara- clinical isolates.

Lipopolysaccharide from nonvirulent Ara+ Burkholderia pseudomallei isolates is immunologically indistinguishable from lipopolysaccharide from virulent Ara- clinical isolates.