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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

Mycoplasma pneumoniae
Condition	Isolation	Duration of Isolation	Comment
	Droplet Standard	Duration of illness

Necrotizing enterocolitis
Condition	Isolation	Duration of Isolation	Comment
	Standard

Neisseria meningitidis, invasive (meningitis, pneumonia, sepsis, meningococcemia)
Condition	Isolation	Duration of Isolation	Comment
	Droplet Standard	Until 24 hrs after initiation of effective therapy

Nocardiosis (Nocardia sp.), any presentation
Condition	Isolation	Duration of Isolation	Comment
	Standard

Norovirus
Condition	Isolation	Duration of Isolation	Comment
	Enteric Contact Standard	Adult and pediatric hematology/oncology/BMT patients: Duration of hospitalization,. All others: Enteric Contact + Standard isolation can be discontinued if (1) patient has had no diarrhea for ≥48 hours AND (2) patient has been transferred to clean room.	Hand Hygiene with soap and water (not alcohol based hand rub) is indicated upon exiting the room of a patient on Contact + Standard Isolation for norovirus. Wash your hands sign is available. See https://www.cdc.gov/infectioncontrol/guidelines/norovirus/index.html

Orf (Poxviridae [Scabby mouth, Sore mouth])
Condition	Isolation	Duration of Isolation	Comment
	Standard

Parainfluenza
Condition	Isolation	Duration of Isolation	Comment
	Contact Droplet	Adult and 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.

Parechovirus
Condition	Isolation	Duration of Isolation	Comment
	Contact Droplet Standard	Duration of illness	Additional resources are available on the parechovirus web page.

Parvovirus B19 (Erythema infectiosum)
Condition	Isolation	Duration of Isolation	Comment
Immunosuppressed patient	Droplet Standard	For duration of hospitalization when chronic disease occurs	Duration of precautions for immunosuppressed patients with persistently positive PCR not defined, but transmission has occurred.
Patient with transient aplastic or red-cell crisis	Droplet Standard	Seven days from symptom onset if known. Use date of identification if symptom onset date unclear.

Pediculosis (see lice)
Condition	Isolation	Duration of Isolation	Comment

Pertussis (whooping cough)
Condition	Isolation	Duration of Isolation	Comment
	Droplet Standard	Until 5 days of effective antibiotic therapy

Pinworm infection
Condition	Isolation	Duration of Isolation	Comment
	Standard

Plague (Yersinia pestis)
Condition	Isolation	Duration of Isolation	Comment
bubonic	Standard
pneumonic	Droplet Standard	Until 48 hrs after initiation of effective therapy

Pneumonia due to
Condition	Isolation	Duration of Isolation	Comment
Mycoplasma (primary atypical pneumonia)	Droplet Standard	Duration of illness
Pneumococcal (Streptococcus pneumoniae)	Standard
Pneumocystis carinii	Standard
Staphylococcus aureus (nafcillin/methicillin sensitive OR resistant)	Standard
Streptococcus pyogenes (group A strep)	Droplet Standard	Until 24 hours after initiation of effective therapy
Varicella-Zoster (See Varicella-Zoster)
Viral, All patients	Contact Droplet Standard		See Respiratory Infectious Disease, acute, or specific viral agent
Pneumonia, adenovirus			Refer to Adenovirus-Respiratory Infection
Bacterial, not listed elsewhere	Standard
Burkholderia cepacia in cystic fibrosis patients, including respiratory tract colonization	UCSF Isolation

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