<prompt> Answer this question truthfullyWhat is the main method of preventing Diphyllobothriasis?  <response>: <reason> Primary preventive measures for diphyllobothriasuis include:Avoid eating raw or undercooked fish Proper cooking and storing or fish meatFDA recommendations:The FDA recommends the following for fish preparation or storage to kill parasites. Cooking Cook fish adequately to an internal temperature of at least 145 F 63 C. Freezing At -4F -20C or below for 7 days total time. OR At -31F -35C or below until solid, and storing at -31F -35C or below for 15 hours. OR At -31F -35C or below until solid and storing at -4F -20C or below for 24 hours. 