Group G streptococci cause invasive infections of different tissues. Most i
nfected patients have underlying diseases and are of adult age. Invasive gr
oup G streptococcal infections rarely occur in childhood and adolescence. A
15-y-old boy with a beta-haemolytic group G streptococcus sacroiliitis, se
psis and secondary pulmonary manifestations resembling an acute respiratory
distress syndrome is described.