The Director of the CDC, Thomas Frieden has blocked CDC whistleblower, Dr. William Thompson from testifying regarding scientific fraud and destruction of evidence by senior CDC officials in critical CDC vaccine safety studies regarding the causative relationship between childhood vaccines and autism. Dr. Thompson’s testimony is being sought in a medical malpractice case brought on behalf of 16 year old Yates Hazlehurst. The lawsuit alleges that Yates is autistic as a result of vaccine injuries.