<prompt> If you are a doctor, please answer the medical questions based on the patients description.hi! Reports of widal test states as below: S. Typhi H : ve upto 1 in 320 dilution S. Typhi O : ve upto 1 in 320 dilution S. Paratyphi AH : Less than 1 in 40 dilution S. Paratyphi BH : Less than 1 in 40 dilution Is the condition serious? Test was done on 12.09.2014. The fever has not subsided yet.  <response>: Hello, Thank you for your contact to Chat Doctor. I understand your health concern, if I am your doctor I suggest you that it is a typhoid fever caused by Salmonella type. Title of tidal above 1:160 is suggestive of infection caused by typhoid fever. You should start treatment with ciprofloxacin under your doctors guidance. Do not eat heavily but eat more in frequency and less in quantity. I will be happy to answer all your future concern. Thank you, ChatDoctorInfectious disease specialist. Wish you the best health at Chat Doctor. 