Check your eligibility criteria for tender Supply of Widal Test 1Should Be Icmr/ Who Gmp/ Fda/Ce /Recognized International Council Approved. 2Salmonella Typhi Specific O And H Antigen With H Antigen Of Salmonella A And B To Be Provided. 3Help To Detect Typhoid And Paratyphoid Fever. 4Long Shelf Life Of Minimum 12 Months. 5Suitable For Use In Hot And Humid Weather Of Bengal. 6 Sensitivity And Specificity High. 7Good Lot To Lot Reproducibility. 8Performance Should Be To The Satisfaction Of End User. 9 Reagents Should Be Vitally Stained. 10 Can Be Used In Serum.