Mumps is an acute self-limited infection that was once commonplace but is now uncommon in developed countries because of widespread use of vaccination. It is characterized by fever, bilateral or unilateral parotid swelling and tenderness, and the frequent occurrence of…
Rubella ( German measles or 3-day measles ) is a mild, often exanthematous disease of infants and children that is typically more severe and associated with more complications in adults. Its major clinical significance is transplacental infection and fetal damage…
Measles is highly contagious, but endemic transmission has been interrupted in the United States as a result of widespread vaccination; indigenous or imported cases have occasionally resulted in epidemics in the United States in unimmunized or partially immunized American or…
Hemophagocytic lymphohistiocytosis (HLH) is a hyperinflammatory syndrome characterized by the accumulation of activated T lymphocytes and well-differentiated macrophages (histiocytes) in the bone marrow, lymph nodes, liver, spleen, and, often, the central nervous system (CNS). , HLH is a rare disease…