Spero Achieves First Milestone Payment in Anti-Infective Partnership with Roche Posted on July 21, 2015 at 12:51 am.Written by Spero Therapeutics Post navigation Troy Lister – Bug Battler: Medicinal chemist takes unconventional approach to battling bacteriaSpero Achieves First Milestone Payment In Anti-Infective Partnership With Roche (RHHBY)