What Does This Widal Test Indicate In Terms Of Fever And Coughing?

My 3 year daughters WIDAL test report TEST DONE OBSERVED VALUE SALMONELLA TYPHI O P o s i tive Titre 1:40 (serum) SALMONELLA TYPHI H N e g a t i v e (serum) SALMONELLA PARATYPHI A N e g a t i v e (serum) SALMONELLA PARATYPHI B N e gative She has been having fever since last 7 odd days on and off- No fever during the daytime, but late evenings temperature starts to rise and goes upto 102.5 F. She is constantly coughing(Dry) for the last 2-3 days.