. "Merkel_Cell_Polyomavirus_Infection"^^ . "Merkel Cell Polyomavirus InfectionPTNCI" . . "Merkel Cell Polyomavirus Infection"^^ . "Merkel Cell Polyomavirus Infection"^^ . "Disease or Syndrome"^^ . "MCV InfectionSYNCI" . "C80127"^^ . "C2698045"^^ . "MCPyV InfectionSYNCI" .