“…Infections are reported in the literature as an important cause of SUID, followed by metabolic or molecular disorders [ 2 , 3 , 4 , 5 ]. The main pathogens reported in SUID cases are as follows: Staphylococcus aureus , Escherichia coli , Streptococcus pyogenes , Streptococcus agalactiae , Streptococcus pneumoniae , Group B Streptococci (GBS), Respiratory Syncytial Virus (RSV), Cytomegalovirus (CMV) and Adenovirus [ 2 , 6 , 7 ]. However, a broad range of pathogens has been reported in the literature as being causes or a co-factors in SUID, such as Parvovirus B19, Epstein-Barr virus, Influenza A virus and Mycobacterium tuberculosis [ 2 , 6 , 8 , 9 ].…”