[Typhoid fever with atypical manifestation in a 5-year-old boy].

Nowadays in Poland, Salmonella typhi (S. typhi) infections are diagnosed rare. Despite the low incidence of typhoid fever, this disorder should be still in our mind. The clinical profiles of typhoid fever are various and atypical manifestation often makes the serious diagnostic problem, in childhood especially. We report herewith a case of typhoid fever in 5 years old boy, manifested as a respiratory tract infection. We present also some basic information on this rare but still serious disorder and on Gram-negative bacilli identified as S. typhi causing the typhoid fever.