Low levels of the blood protein albumin may leave people vulnerable to mucormycosis, a fast-moving and often fatal fungal infection. Credit: Shutterstock An international team of scientists has discovered that albumin, the most abundant protein circulating in human blood, plays a powerful and previously unrecognized role in protecting the body from mucormycosis, a rare but frequently deadly fungal infection. The findings were published in Nature . The research was led by George Chamilos, MD,