PUI means PERSON UNDER INVESTIGATION while PUM means PERSON UNDER MONITORING.
So what’s the difference?
Persons Under Investigation (PUI) warrants Hospital Admission while Persons Under Monitoring (PUM) warrants Self Quarantine and Monitoring for 14 Days.
Persons Under Investigation (PUI) have signs and symptoms, like fever and / or cough
Persons Under Monitoring (PUM) have no signs and symptoms.
To be considered a PUI you need to have:
Fever and / or cough + a travel history in the past 14 days to areas with issued travel restrictions especially areas with Cases of COVID 19.
Or
Fever and / or Cough + A History of Exposure to COVID 19
Or
Fever and / or cough + a travel history in the past 14 days to areas with issued travel restrictions especially areas with Cases of COVID 19 + A History of Exposure to COVID 19.
To be considered a PUM you need to have:
a travel history in the past 14 days to areas with issued travel restrictions especially areas with Cases of COVID 19.
Or
A History of Exposure to COVID 19
Or
A Travel History in the past 14 days to areas with issued travel restrictions especially areas with Cases of COVID 19 + A history of Exposure to COVID 19.
How to Determine if You have a History of Exposure to COVID 19?
Contact with a confirmed or probable case of COVID 19 which are: a person or persons who directly care for a COVID 19 patient, a person or persons working with a Health Care Provider who directly cares for a COVID 19 patient, or a person or persons who are visiting a COVID 19 patient or staying in the same close environment as a COVID 19 patient,
a person or persons who are working together or in the same classroom environment with a COVID 19 patient, a person or persons who travelled together with a COVID 19 patient in any form or way,
a person or persons who are living in household/s with a COVID 19 patient who is not done with the 14 day quarantine period.
You may also be considered to have a history of exposure to COVID 19 if you are a person who worked in or attended a health care facility where patients with confirmed or probable cases of COVID 19 are being treated.
Source is from DOH’s Default Screening tool, you may read more on including Guidelines to follow for the Bureau of Quarantine, the Hospitals, the Centers for Health Development, and the Local Health offices.