Dr. Ming Te Lin has had his license suspended this week after the Illinois Department of Financial and Professional Regulation heard complaints about unapproved oral versions of childhood shots.

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Investigators found a cluttered, unsterile office and “a box filled with vials and tubes that (Lin) was using to make his own vaccinations.” Lin told them that he'd been using alternative vaccinations for more than a decade.

The doctor would add alcohol and sometimes cat saliva to vaccinations for patients with allergies. He would detoxify them using a device called the "WaveFront 2000" and would administer them orally or in a nasal form.

None of Lin's methods have been approved by the Food and Drug Administration or considered as legitimate medicine.

Read more at CBS Chicago.