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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

Vaccinia
Condition	Isolation	Duration of Isolation	Comment
Vaccinia Vaccination site care (including autoinoculated areas)	Standard		Only vaccinated HCPs may have contact with active vaccination sites and care for persons with adverse vaccinia events; if unvaccinated, only HCPs without contraindications to vaccine may provide care. Vaccination recommended for vaccinators; for newly vaccinated HCWs: semi-permeable dressing over gauze until scab separates, with dressing change as fluid accumulates, ~3-5 days; gloves, hand hygiene for dressing change; vaccinated HCW or HCW without contraindication to vaccine for dressing changes.

Vaccinia (Adverse events following vaccination)
Condition	Isolation	Duration of Isolation	Comment
Eczema vaccinatum	Contact Standard	Until lesions dry and crusted, scabs separated	For Contact + Standard with virus-containing lesions and exudative material.
Fetal vaccinia	Contact Standard	Until lesions dry and crusted, scabs separated	For Contact + Standard with virus-containing lesions and exudative material.
Generalized vaccinia	Contact Standard	Until lesions dry and crusted, scabs separated	For Contact + Standard with virus-containing lesions and exudative material.
Progressive vaccinia	Contact Standard	Until lesions dry and crusted, scabs separated	For Contact + Standard with virus-containing lesions and exudative material.
Postvaccinia encephalitis	Contact Standard	Until lesions dry and crusted, scabs separated
Blepharitis or conjunctivitis	Standard		Use Contact + Standard Precautions if there is copious drainage.
Iritis or keratitis	Contact Standard
Vaccinia-associated erythema multiforme (Stevens Johnson Syndrome)	Standard		Not an infectious condition
Secondary bacterial infection (e.g., S. aureus, group A beta hemolytic Streptococcus)	Standard		Follow organism-specific (strep, staph most frequent) recommendations and consider magnitude of drainage.

Vancomycin AND Linezolid Resistant Enterococcus (LR-VRE)
Condition	Isolation	Duration of Isolation	Comment
	Contact Standard	Duration of hospitalization and all subsequent admissions

Vancomycin Intermediate Staphylococcus aureus (VISA/VRSA)
Condition	Isolation	Duration of Isolation	Comment
	Contact Standard	Duration of hospitalization and all subsequent admissions

Varicella (chickenpox)
Condition	Isolation	Duration of Isolation	Comment
	Airborne Contact Standard	Until ALL lesions are crusted over	Susceptible heatlhcare personnel (HCP) should not enter room if immune HCP 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.

Varicella zoster (Herpes zoster, shingles)
Condition	Isolation	Duration of Isolation	Comment
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
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

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