JIC #81: Zero test positive for COVID-19 Saturday; Only 7 were tested


DPHSS tested only 7 samples on Saturday. None tested positive.

To date 136 people have tested positive for COVID-19 within the civilian population on Guam. 110 have recovered. 5 have died.

There are currently just 21 active cases of COVID-19 on island.

Test Results Over the Past Week

According to the Joint Information Center, DPHSS reports 145 tests were conducted from Monday April 13 through Saturday April 18.

On Monday, April 13, 33 samples were tested by public health, none were positive. 1 case was clinically diagnosed. 134 confirmed.

On Tuesday, April 14: 30 tests were conducted, public health found no positives, DLS found one. 135 confirmed.

On Wednesday, April 15, 32 tested by public health and GMH. None were found to be positive for COVID-19.  The number of confirmed cases remains at 135.

On Thursday April 16, 11 were tested, none were positive. 135 confirmed.

On Friday April, 17,  32 were tested. 1 more sample was found to be positive raising to 136 the number of people on Guam who have tested positive for COVID-19.

On Saturday April 18, 7 tests were conducted by public health. None were positive. 136 remain confirmed.

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.

The following breakdown provides cumulative COVID-19 test results for Saturday, April 18:


Laboratory  Reported on 

Saturday, April 18, 2020

Total Negative Cases 

(March 12 – April 18, 2020)

Total Confirmed Cases (March 12 – April 18, 2020)
DPHSS Guam Public Health Laboratory (GHPL) 0 770 117
Naval Health Research Center (NHRC) 0 N/A 11
Diagnostic Laboratory Services (DLS)* 0 144 5
Guam Memorial Hospital Authority (GMHA) Laboratory** 0 29 0
Probable cases 0 N/A 3

AS OF 8:50 PM, SATURDAY, APRIL 18, 2020

  • Beginning March 31, 2020

** Beginning April 15, 2020

 The Department of Public Health and Social Services (DPHSS) tested seven individuals for COVID-19 on Saturday, April 18, 2020 with conclusive results. Zero tested positive through DPHSS and seven tested negative for SARS-CoV-2.

The DPHSS overall count also includes probable cases of COVID-19 and confirmed positive cases tested by the Naval Health Research Center (NHRC) in San Diego, the Guam Memorial Hospital Authority (GMHA), and Diagnostic Laboratory Services (DLS).

To date, 136 cases have been confirmed through COVID-19 testing provided, with 5 deaths and 110 recoveries. Recovery means a patient is no longer considered infectious. According to CDC research and published guidelines, a patient is classified as recovered after at least 72 hours have passed without fever or additional respiratory issues and at least seven days have passed since symptoms first appeared. All remaining cases are in isolation.