Spanish Health Article Translator

I have a steady stream of Health and Wellness articles that need to be delivered in polished, publication-ready Spanish. Sometimes I will supply an English draft for direct translation; other times I will provide a brief and key references and ask you to craft the piece from scratch... (Budget: $250 - $750 USD, Jobs: Article Rewriting, Content Writing, Editing, English (US) Translator, Medical Writing, Spanish Translator, Technical Writing, Translation)