Hello. Good Evening. Today My Girlfriend Went To A Lab

Hello. good evening. Today my girlfriend went to a lab and did a fever-reactions analysis. Her results are: 1) positive for S. thyphi O. 1:40, 2)positive for S.paratyphi A. 1:80, and 3)positive for proteus ox-19 1:80. she was diagnosed with on february last year with salmonella, in that time she had high fever for almost 2 weeks and felt very bad, finally in the hospital they gave her some antibiotics and became well. Is it normal the results we're obtaining now?