| Standard case definitions (suspected case) in the IDSR technical guidelines | Study definitions based on key words | |
---|---|---|---|
Dysentery (Shigella) | A person with diarrhoea with visible blood in stool | Correct | Diarrhea and blood |
Partially correct | Diarrhea, blood, and other related symptoms1 | ||
Incorrect | No mention of diarrhea or blood | ||
Do not know | No mention of signs and symptoms | ||
Measles | Any person with fever and maculopapular (non-vesicular) generalized rash and any one of the following: cough, coryza (irritation and inflammation of the mucosal membrane of the nose), conjunctivitis (red eyes), any person in whom a clinician suspects measles | Correct | Fever, rash, cough, coryza, and conjunctivitis |
Partially correct | Fever, rash, and at least one of the following symptoms: cough, coryza, and conjunctivitis; with or without related symptoms | ||
Incorrect | No mention of rash or fever | ||
Do not know | No mention of signs and symptoms | ||
Dengue fever | Any person with acute febrile illness of 2–7 days duration with 2 or more of the following: headache, retro-orbital pain (pain behind the eyes), myalgia (muscle pain), arthralgia (joint pain), rash, haemorrhagic manifestations, leukopenia (low white blood cells) | Correct | Fever, headache, retro-orbital pain, myalgia, arthralgia, rash, hemorrhagic manifestations, and leukopenia |
Partially correct | Fever and at least two of the following symptoms: headache, retro-orbital pain, myalgia, arthralgia, rash, hemorrhagic manifestations, and leukopenia | ||
Incorrect | No mention of fever; or mention of fever with less than two of the following symptoms: headache, retro-orbital pain, myalgia, arthralgia, rash, hemorrhagic manifestations, and leukopenia | ||
Do not know | No mention of signs and symptoms |