The only registered treatment for Nosema disease is no longer commercially available. On April 12, 2018, Medivet Pharmaceuticals Ltd. – a company based out of High River, Alberta – announced that they were closing their doors. And shutting down Medivet means shutting down production of the world’s supply of fumagillin, in the form of their quick-dissolving product, Fumagilin-B.
Read full article here: Life without fumagillin — Alison McAfee | Honey Bee Hub