日期:2012-08-15 09:50
r of 2008. However, it has not yet received a green light from the U.S. Department of Agriculture - the agency responsible for licensing and regulating Shiga toxin-producing E. coli vaccines in the United States.
In the U.S., another drug designed to prevent E. coli shedding in cattle -- Pfizers E coli Bacterial Extract Vaccine with SRP? Technology -- has been approved by USDA, but has yet to find the funding it needs to be put to widespread use.
That vaccine got a boost this week, howev