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Isolation Table

A B C D E F G H I K L M N O P Q R S T U V W Y Z

Varicella zoster (Herpes zoster, shingles)
Condition	Isolation	Duration of Isolation	Comment
Disseminated in any patient	Airborne Contact Standard	Airborne and Contact + Standard precautions until ALL lesions are crusted over	Persons susceptible to varicella are also at risk for developing varicella when exposed to patients with varicella zoster (shingles) lesions; therefore, susceptibles should not enter the room See: CDC definition of disseminated zoster and Dermatome Map
Localized in immunocompetent patient	Standard		Persons susceptible to varicella are also at risk for developing varicella when exposed to patients with varicella zoster (shingles) lesions; therefore, susceptibles should not enter the room
Localized in immunocompromised patient	Airborne Contact Standard	Airborne and Contact + Standard precautions may be discontinued if patient has been on antiviral therapy for 72 hours and shows no clinical signs of disseminated Herpes zoster and no pulmonary involvement.	Persons susceptible to varicella are also at risk for developing varicella when exposed to patients with varicella zoster (shingles) lesions; therefore, susceptibles should not enter the room

Vescicular rash
Condition	Isolation	Duration of Isolation	Comment
	Airborne Contact Standard	Until all lesions are crusted over or when chickenpox/varicella zoster (shingles) infection have been ruled out	Persons susceptible to varicella are also at risk for developing varicella when exposed to patients with varicella zoster (shingles) lesions; therefore, susceptibles should not enter the room.

Vibrio parahaemolyticus (see gastroenteritis)
Condition	Isolation	Duration of Isolation	Comment

Vincent’s angina (trench mouth)
Condition	Isolation	Duration of Isolation	Comment
	Standard

Viral Fevers, arthropodborne
Condition	Isolation	Duration of Isolation	Comment
	Standard		Examples: dengue, yellow fever, Colorado tick fever

Whooping cough (Bordetella pertussis)
Condition	Isolation	Duration of Isolation	Comment
	Droplet Standard	Until 5 days of effective antibiotic therapy

Wound infection
Condition	Isolation	Duration of Isolation	Comment
Major	Contact Standard	Duration of illness	“Major” defined as “Dressing does not contain drainage adequately”
Minor or limited	Standard		“Minor” defined as “Dressing covers and contains drainage adequately”

Yersinia enterocolitica
Condition	Isolation	Duration of Isolation	Comment
			See gastroenteritis

Zika virus
Condition	Isolation	Duration of Isolation	Comment
	Standard		No HCW restriction; treat as any other bloodborne pathogen (face and eye protection, gloves, gown during delivery)

Zoster (See Varicella zoster)
Condition	Isolation	Duration of Isolation	Comment
			Susceptible heatlhcare personnel (HCP) should not enter room if immune CHP are available, regardless of presumptive evidence of immunity.HCP should use respiratory protection that is at least as protectibve as a fit-tested N-95 respirator upon entry into the care area.

Zygomycosis (phycomycosis, mucormycosis, Mucor sp., Rhizopus sp., Absidia sp.)
Condition	Isolation	Duration of Isolation	Comment
	Standard

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