<prompt> After 3 days of fever patient developed maculo erythematous rash lasting for 48 hrs diagnosis is:Fifth diseaseRubellaMeaslesRoseola infantum  <response>: D i.e. Roseola infantum Roseola infantum Exanthema subetum Sixth disease Erythema Infectiosum Fifth disease Rubella Third disease Rubeola First disease Measles Eto HHV - 6 Human parvo virus B-19 Toga virus Paramyxovirus ciF Affects 3 yrs old child - Involves mostly 3-12 - Forchheimers - Kopliks spots - Maculopapular lesions years age group spots - Discrete lesions that sparing face - Bright red slapped cheek - Spreads from hair become confluent as - Resolve with in 2 days appearance fb diffuse lacy line down-ward rash spreads from hair 48 hrs reticular rash that waxes and cleaning as it line downwards wanes over 3 weeks. spreads sparing palms and sole, lasts 3 days 