Dozens of types of pain killers, antibiotics and other drugs are being recalled because they might be contaminated with mold.
The drugs were all made by "Med Prep," a compounding pharmacy in New Jersey that mixes drugs according to doctor's specifications.
The potentially contaminated drugs were distributed in infusion bags, plastic syringes and glass vials to hospitals on the east coast.
No one has been hurt but last year, a tainted steroid distributed by a Massachusetts-based compounding pharmacy killed 50 people.
As the deadly epidemic spiraled out of control several weeks ago, a young specialist in infectious disease control working at the Illinois Department of Public Health volunteered to fly to the front line of the fight.