1. A test for detecting typhoid fever and other salmonella infections
   - Widal test

Type of: agglutination test

• family Sterculiaceae
• family Stichaeidae
• family Stizidae
• family Strelitziaceae
• family Streptomycetaceae
• family Strigidae
• family Stromateidae
• family Strombidae
• family Strophariaceae
• family Struthionidae
• family Sturnidae
• family Styracaceae
• family Suidae
• family Sulidae
• family Sylviidae
• family Symplocaceae
• family Synchytriaceae
• family Syngnathidae
• family Synodontidae
• family Tabanidae
• family Taccaceae
• family Tachinidae
• family Tachyglossidae
• family Taeniidae
• family Talpidae