Re: are there different strains of candida?

Yes. But candida albacans is the most common.
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uid...

It gets more insidious after it gets systemic (in your blood and organs).
http://www.theherbspecialist.com/save/candida.html

Someone once compared it to making beer. Imagine those three story high vats they make beer in where it starts with just a small amount of yeast and they add lots of Sugar and it ferments, making gas and alcohal and us very sick.