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Proposed definition of (Widal, Tubex® and Typhidot-M®) with different cut-off values in 1732 fever episodes
TO, S. Typhi O antigen; TH, S. Typhi H antigen; A, S. Paratyphi A antigens (AO and AH); Tx, Tubex®; Td, Typhidot-M®.
Yielded cases identified as positive with proposed definition among blood culture negative.
