<s>[INST] my mom was having typhiod . now aftr 2 years her reports are as under . Salmonella Typhi O positive 1:160 Salmonella typhi H positive 1:160 Salmonella Paratyphi Ah positive 1:80 Salmonella Paratyphi Bh negative . what does it indicate ? [/INST] Hello,I understand your concern.I am Dr. Arun Tank, infectious diseases specialist, answering your query.In my opinion your mothers widal titre is still high.There is a need for clinical correlation between widal and clinical features. If the symptoms is still suggesting you of having typhoid further treatment is necessary.I advice you to carry out stool and blood for culture and sensitivity testing for Salmonella typhi bacteria.Take the treatment as per the report and you will be all clear with infections.I will be happy to answer your further concern, you can ask me on bit.ly/DrArun. Thank you.Dr Arun TankInfectious diseases specialist. </s>