Nagayama spot are seen in:: (A) Measles, (B) Roseola infantum, (C) Mumps, (D) Rubella
Answer is B. b. Roseola infantum(Ref: Nelson 20/e p 1594-1596)Ulcers at uvulopalatoglossal junction (Nagayama spots) are commonly reported in infants with roseola infantum. High fever is the most consistent finding associated with primary HHV-6B infection.