Which of the Following Statements About the Treatment or Prevention

Which of the following statements about the treatment or prevention for a prion infection is true?

A) Preventative vaccines have recently been shown to be effective in preventing prion infections.
B) High doses of anti- inflammatory drugs such as ibuprofen reduce the symptoms of prion infections.
C) There is no known treatment or cure for prion infections.
D) Antibiotic therapies such as penicillin are very effective cures.