Table 1.

Selected organisms and antigenic variation gene families in varDB

Taxonomic group	Species	Disease	Gene families	No sequences
Bacteria	Anaplasma spp.	Anaplasmosis	msp2	141
	Ehrlichia spp.	Canine ehrlichiosis	msp4	94
Fungi	Pneumocystis carinii	Pneumonia	msg	73
Helminthes	Echinococcus granulosus	Cystic echinococcosis	antigen B	153
Protozoa	Giardia lambia	Giardiasis	vsp	384
	Plasmodium spp.	Malaria	var, rifin/stevor, pir	23,719
	Trypanosoma brucei	African trypanosomiasis	vsg	221
Viruses	HIV-1	HIV/AIDS	env, gag, nef	3466