my husbands report says Salmonells typhi O(TO)  is reactive and 1
Hi, Thanks for posting in Chat Doctor. I understand your concern. Typhoid and paratyphoid fevers are commonly grouped together under the collective term enteric fever. Typhoid is caused by Salmonella type and paratyphoid is caused by either Salmonella paratyphoid A, B, or C. TIDAL test is a presumptive serological test for enteric fever. Tidal Test is an agglutination test which detects the presence of serum agglutinins (H and O) in patients serum with typhoid and paratyphoid fever. If the title shows 1