“…Αs an entity, it may affect patients of all age groups and a causal relationship between a number of factors and HLH has been reported, including viral infections (Herpes simplex virus (HSV), EBV, CMV, HIV, Influenza A and parvovirus B19), bacterial and fungal infection (Candida, Aspergillus), hematological malignancies and solid tumors, connective tissue disorders, immunodeficiency syndromes, and cellular therapies [12][13][14]. 8,13,[21][22][23]. The main characteristics, treatment and outcome of the aforementioned cases are presented in Supplementary Table 1.…”