<prompt> Parvovirus B19 does not cause :Roseola infantumAplastic anemia in sickle cellFetal hydropsCollapsing FSGS  <response>: Roseola infantum or exanthem subitum is caused by HHV 6 and HHV-7 rarely.Diseases caused by Parvo virus :Erythema infectiosumSeronegative arthritisAplastic crisis in hemolytic anaemiaFetal infection leads to non-immunohydrops fetalisChronic anaemia in immunocompromisedHemophagocytic syndromeSevere anaemia in malarial patients. 