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The following table contains the main risk factors for CDI:

Alterations in the coagulation system
Consumption of clotting factors
Increased concentrations of fibrin degradation products
Disseminated intravascular coagulation

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Differential Diagnosis of Measles

Disease	Agent	Typical Season	Typical Age	Prodrome	Fever	Duration of the rash (days)	Rash	Other Signs & Symptoms
Measles	Paramyxovirus Measles virus	Winter - Spring	1 to 20 years	2-4 days of cough, conjuctivitis, and coryza	High	5 - 6	Erythematous, irregular size, maculopapular; starts on temples & behind ears; progresses down from face; fades to brownish	Koplik’s spots: C blue-white papules (salt grains) on bright red mucosa opposite premolar teeth
Kawasaki disease	Unknown	Winter - Spring	< 5 years	3 days of abrupt fever	High; fever of 5 days is a diagnostic criteria	5 - 7	Erythematous, morbilliform, maculopapular or scarlatiniform, central distribution; erythematous, indurated palms and soles	Acute: dry, fissured and injected lips, strawberry tongue; irritability; cervical lymphadenopathy; conjunctival injection; peripheral edema Subacute: finger-tip desquamation; Complications: arthritis, carditis
Roseola Infantum (exanthem subitum)	Human herpes virus type 6	Any season	6 months to 2 years	None	High	1-2; it follows defervescence	Discrete erythematous macules, rarely involves face, begins as fever ends	Lymphadenopathy, irritability
Ivory Coast ebolavirus
Bundibugyo ebolavirus

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Countries with a reported prevalence <15% of H. pylori resistance to clarithromycin

Diagnostic test	North America	South America	Middle East	Far East
ELISA (serology) detects: Viral Antigen IgM and IgG antibody | hol

^† There is a reported prevalence of 15% in the Northeast of the US.