Figure 6From: The Microbial Rosetta Stone Database: A compilation of global and emerging infectious microorganisms and bioterrorist threat agentsSingle-stranded positive strand RNA viruses. The Togaviridae and Flaviviridae, and to a lesser extent the Coronaviridae and Picornaviridae, families are the most prominent human pathogens. Important plant viruses affect major cereal grains causing severe crop damages worldwide and affecting the nutrition of entire populations.Back to article page