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
All
Malaria
Condition Isolation Duration of Isolation Comment
Marburg virus disease (see Viral Hemorrhagic Fevers)
Condition Isolation Duration of Isolation Comment
included in hemorrhagic fevers
Measles
Condition Isolation Duration of Isolation Comment
(rubeola), all presentations

4 days after onset of rash; duration of illness in immune compromised

Susceptible healthcare personnel (HCP) should not enter room; regardless of presumptive evidence of immunity, HCP should use respiratory protection that is at least as protective as a fit-tested N95 respirator or a PAPR upon entry into the patient’s room or care area.
Meloidosis, all forms
Condition Isolation Duration of Isolation Comment
(Burkholderia (Pseudomonas) pseudomallei)

Notify the Microbiology laboratory when submitting specimens for culture from patients known or suspected to have this disease (353-1268)
Meningitis
Condition Isolation Duration of Isolation Comment
Aseptic (non-bacterial or viral [except varicella zoster*] meningitis; also see enterovirus)

For VZV meningitis, Standard Isolation UNLESS disseminated disease present (e.g. meningitis + rash) where Airborne Isolation should be used.
Bacterial, gram negative enteric, in neonates
Fungal**

**Alert the Microbiology Laboratory (353-1268) prior to submitting specimens for culture from patients with suspected or confirmed Coccidiodes meningitis
Haemophilus influenzae (known or suspected)

Until 24 hrs after initiation of effective therapy
Listeria monocytogenes
Neisseria meningitidis (known or suspected)

Until 24 hrs after initiation of effective therapy
Pneumococcal (Streptococcus pneumoniae)
Tuberculosis***

***Patient should be examined for evidence of current (active) pulmonary tuberculosis.  If evidence exists, see Tuberculosis below for additional isolations.
Other diagnosed bacterial
Unknown etiology

Until etiology is determined or Neisseria meningitidis is ruled out
Metapneumovirus
Condition Isolation Duration of Isolation Comment
Infants and young children

Adult and Pediatric hematology/oncology/BMT patients:
Duration of illness AND retest is negative.

All other patients: Duration of illness

see also Human metapneumovirus
All other patients

Adult and Pediatric hematology/oncology/BMT patients:
Duration of illness AND retest is negative.

All other patients: Duration of illness
Molluscum contagiosum
Condition Isolation Duration of Isolation Comment
Monkeypox
Condition Isolation Duration of Isolation Comment

Airborne - Until monkeypox confirmed and smallpox excluded Contact - Until lesions crusted
Mucormycosis
Condition Isolation Duration of Isolation Comment
Multidrug resistant organisms (MDROs)
Condition Isolation Duration of Isolation Comment
Enterococcus, vancomycin resistant (VRE)
MDR Gram negative organisms: Acinetobacter spp. (CP-gene positive), Pseudomonas aeruginosa (CP-gene positive or cefepime or ceftazidime resistant), carbapenemase gene positive carbapenem resistant Enterobacteriaciae (CP-CRE) Others at the discretion of H

Duration of hospitalization and upon readmission.

Discontinuation will be determined by Infection Prevention on a case by case basis.  
Staphylococcus aureus, nafcillin / methicillin resistant
Staphylococcus aureus, vancomycin

Duration of hospitalization and upon readmission.

Discontinuation will be determined by Infection Prevention on a case by case basis.  
Mumps (infectious parotitis)
Condition Isolation Duration of Isolation Comment

Until 5 days after the onset of swelling

Susceptible HCWs should not provide care if immune caregivers are available. HCWs should use masks regardless of immune status.
Mycobacteria
Condition Isolation Duration of Isolation Comment
Non-tuberculous mycobacteria (atypical), pulmonary or wound

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