Using maggots to treat infection is becoming "bug business," according to this article:

Last year, the U.S. Food and Drug Administration approved maggots as a "medical device" and Britain has also made them available on prescription within the National Health Service...
Commercial companies already exist in Germany, and the Biosurgical Research Unit at the Princess of Wales Hospital in Bridgend, Wales -- Britain's sole maggot breeder -- plans to spin off its production operation in April to create a new firm, Zoobiotic, with the backing of venture capitalists.
"We've got big ambitions," said unit head Dr Steve Thomas, who will be technical director of the new firm. "There has been a substantial increase in demand in maggot usage over the last 5 years, and it's growing year by year."