Which of the Following Are Used by the Centers for Disease

Which of the following are used by the Centers for Disease Control and Prevention to track outbreaks of foodborne disease?

A) DNA fingerprints
B) restriction fragment length polymorphisms
C) reverse- transcriptase PCR (rtPCR)
D) DNA fingerprings and restriction fragment length polymorphisms
E) DNA fingerprings, restriction fragment length polymorphisms, and reverse- transcriptase PCR(rtPCR)