The conversation between human and AI assistant.
[|Human|] Sir, my sisters widal test shows 1/160 (positive).  She is taking anti-biotics for 18 days. Initially she took medicines orally and for 8 days through drips.  Now, widal test shows negative.  But, she still has fever after 7-8 hours.  What should we do?
[|AI|]  Hello there, I am Chat Doctor. Is tidal test is done by tube test? Because slide tidal test is not confirmatory for typhoid. Is tidal test done after few days of first test?because rising(tier) result like 160 after few days 320 like. In this case according to your history it is mostly because of salmonella infection which is resistant to given antibiotics. So now you should go for culture examination of stool sample. Because from other sample salmonella mostly will not come. If culture comes salmonella positiver than you should go with 
