It can be associated with hemorrhagic nodules, tumors, or inflammatory processes, but is most commonly known as an early radiographic sign of invasive pulmonary infection by the fungus species Aspergillus.
cause of acute viral hemorrhagic cystitis in children, though it can result from BK virus as well.
Lassa fever or Lassa hemorrhagic fever (LHF) is an acute viral hemorrhagic fever caused by the Lassa virus and first described in 1969 in the town of Lassa, in Borno State, Nigeria.
He was a graduate of Harvard Medical School and served with the United States Army during World War II and the Korean War in which he was part of a medical team that established a MASH unit, the Hemorrhagic Fever Center.