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
Herpes zoster (see varicella zoster)
Condition Isolation Duration of Isolation Comment

See varicella zoster

Histoplasmosis
Condition Isolation Duration of Isolation Comment
Hookworm disease (ancylostomiasis, uncinariasis) (Ancylostoma duodenale, Necator americanus)
Condition Isolation Duration of Isolation Comment
Human metapneumovirus
Condition Isolation Duration of Isolation Comment

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

 

All other patients:  Duration of symptoms

Impetigo
Condition Isolation Duration of Isolation Comment

Until 24 hours after initiation of effective therapy

Infectious mononucleosis
Condition Isolation Duration of Isolation Comment
Influenza (A, B, or unknown subtype); seasonal influenza
Condition Isolation Duration of Isolation Comment
Benioff Children's Hospital and Pediatricts

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

All other patients:  Duration of illness

Initiate isolation when test is ordered to rule out viral pathogens.
For information about avian influenza please refer to avian influenza entry below.

Adult Services

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

All other patients:  Duration of illness

Initiate isolation when test is ordered to rule out viral pathogens.
For information about avian influenza please refer to avian influenza entry below.

Influenza, Avian (H5N1, H7N9) suspected or confirmed
Condition Isolation Duration of Isolation Comment

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

All other patients:  Duration of illness

  1. Immediately contact HEIP including for suspected cases. 
  2. Refer to the UCSF control plan and other resources on the UCSF Avian Influenza web page.  
  3. Discontinuation will be determined by Infection Prevention on a case by case basis.
Kawasaki syndrome
Condition Isolation Duration of Isolation Comment
Lassa fever (see Viral Hemorrhagic Fevers)
Condition Isolation Duration of Isolation Comment
Legionella (Legionnaires’ disease)
Condition Isolation Duration of Isolation Comment
(Legionella sp.)
Leprosy
Condition Isolation Duration of Isolation Comment
(Mycobacterium leprae)
Leptospirosis
Condition Isolation Duration of Isolation Comment
(Leptospira sp.)
Lice
Condition Isolation Duration of Isolation Comment
Head lice (pediculosis)

24 hours after treatment (shampoo or oral medication)

Comb patient's hair with metal, long-toothed nit comb (available from Pharmacy) at least daily x 2 wks
Change patient gown and linen post treatment 
Guidance at https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/HeadLice.aspx

Also, please see Lice Tip Sheet

Body lice
Pubic lice
Listeriosis
Condition Isolation Duration of Isolation Comment
(Listeria monocytogenes)
Lyme disease
Condition Isolation Duration of Isolation Comment
(borreliosis, Borrelia burgdorferi)
Lymphocytic choriomeningitis
Condition Isolation Duration of Isolation Comment
Lymphogranuloma venereum
Condition Isolation Duration of Isolation Comment
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

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

Immediately contact HEIP. 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 protective as a fit-tested N95 respirator upon entry into the care area.

Additional resources, including for testing, are available on the measles web page.

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)

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