... [14] and the quantitative and qualitative effects of single and mixed viral infections on cowpeas [15,16], very limited information is available on the interactive effects of mixed viral infections ... http://www.virologyj.com/content/4/1/95 Taiwo MA, Apampa K, Hughes d'A J, Nsa IY: Cowpea viruses: Effect of single and mixed infections on symptomatology and virus concentration Phytopathology 2006, 96:S112 abstr Koenig R: Indirect ... tobacco and papaya [25,26] may have to be adapted to cowpea, for effective virus control and sustenance of the nation's lead in cowpea production Additional material Additional File Cowpea virus...