During evolution, bacterial coinfection was diagnosed in seven patients: Staphylococcus aureus in blood stream in one patient, urinary tract infection due to Enterococcus faecalis in one patient and pneumonia due to Pseudomonas aeruginosa in one case and due to S. pneumoniae in four other cases. Also, one patient presented urinary tract infection due to Candida. An autopsy was performed in the five patients who died, and a summary of the findings is presented in Table 4 .