JIC #147: One tests positive for COVID-19 by DPHSS; 1 probable case by GRMC


The Department of Public Health and Social Services (DPHSS) tested 64 individuals for COVID-19 on Wednesday, May 27, 2020 with conclusive results. One tested positive through DPHSS and 63 tested negative for SARS-CoV-2.

One new probable case of COVID-19 was reported earlier today to DPHSS from the Guam Regional Medical City (GRMC).

COVID-19 test results are reported from multiple labs at varying times of the day. The cumulative total from all labs will be reported on a nightly basis, unless unavailable. The following breakdown provides cumulative COVID-19 test results for Wednesday, May 27, 2020:


Laboratory  Samples Tested 

(May 26-27)

Confirmed on Wednesday, May 27 Total Negative Cases (March 12 – May 27) Total Confirmed Cases (March 12 – May 27, 2020)
DPHSS Guam Public Health Laboratory (GPHL) 64 1 2,885 142
Naval Health Research Center (NHRC)1/U.S. Naval Hospital (USNH) Guam2 6 0 1,044 14
Diagnostic Laboratory Services (DLS)2 0 0 833 6
Guam Memorial Hospital Authority (GMHA) Laboratory3 62 0 639 2
Guam National Guard (GUNG) Laboratory4 0 0 17 0
Guam Regional Medical City (GRMC) Laboratory5 9 0 97 0
Probable cases N/A 1 N/A 7
AS OF 10:05 PM, WEDNESDAY, MAY 27, 2020 Total Samples Tested May 26-27:


Total Confirmed on Wednesday, May 27:


Total Negative Cases (March 12 – May 27):


Total COVID-19 Cases (March 12 – May 27):


1Beginning March 26, 2020 4Beginning April 23, 2020

2Beginning March 31, 2020 5Beginning April 30, 2020

3Beginning April 15, 2020


To date, there have been 171 cases confirmed through COVID-19 testing provided with 5 deaths, 143 released from isolation, and 23 active cases.

New criteria

New criteria for release of cases from isolation were implemented on May 22.

For persons having symptoms, at least 10 days have passed since recovery defined as resolution of fever without the use of fever-reducing medications and improvement in respiratory symptoms (e.g., cough, shortness of breath) and any other symptoms attributed to COVID-19 infection AND at least 10 days have passed since symptoms first appeared—or, with recurrent symptoms, at least 10 days have passed since recurrent symptoms appeared—AND at least 14 days have passed since the date of their first (or most recent) positive COVID-19 diagnostic test.

For persons without symptoms, at least 14 days have passed since the date of their first (or most recent) positive COVID-19 diagnostic test assuming they have not subsequently developed symptoms since their positive test.

For inquiries on COVID-19, contact 311 through a local number, or call the Joint Information Center at (671) 478-0208/09/10.