Vaccine refusals are reaching epidemic proportions in many communities in the U.S., with large numbers of parents defying

Merck now faces federal charges of fraud from the whistleblowers, a vaccine competitor and doctors in New Jersey and New York. Merck could also need to defend itself in Congress: The staff of representative Bill Posey (R-Fla) -- a longstanding critic of the CDC interested in an alleged link between vaccines and autism -- is now reviewing some 1,000 documents that the CDC whistleblower turned over to them.