Which of the following subtypes of herpes virus is a possible cause of roseola infantum (exanthem subitum)? Microbiology Which of the following subtypes of herpes virus is a possible cause of roseola infantum (exanthem subitum)? A. HHV6 B. HHV7 C. HHV8 D. A & B E. A, B, C Answer: D Share this Share on FacebookTweet on TwitterPlus on Google+