Socio-demographic, clinical and biological characteristics, overall and by type of infection.

RTI: X-ray proven respiratory tract infection; Malaria: smear-microscopy proven malaria; UTI: culture and cytology-proven urinary tract infection; Infectious diarrhea: diarrhea with microbiologically proven bacterial or parasitic infection or rotavirus infection; NA: not applicable (sign included or excluded from category definition).*p-value (compared to children without this type of infection) **p-value ***p-value