May 5: U.S. Immigration and Customs Enforcement executed an armed raid of MedPharm Group of Companies, one of the island's largest provider of medical supplies and pharmaceuticals.
The Homeland Security spokesperson confirmed that it was related to a criminal investigation regarding the pandemic.

May 6: The Department of Health and Human Services announced that it had taken 806 samples from April 25 to May 2 in an expanded testing effort with focus on those with lack of access to health care and densely populated apartment complexes, of which two were positive.
Expanded testing focused on senior care facilities and apartment complexes continued.

May 7: The Roman Catholic Archdiocese of Agaña updated its Sacramental Protocols to allow live Mass with parishioners seated in their cars in church parking lots for the coming weekend.
Eucharist would be offered to parishioners standing by their vehicles or seated inside.
It further allowed in-person confession, anointing of the sick for non-COVID patients, and baptism.
Parishioners with flu-like symptoms or compromised immune systems were instructed to remain home.
About 75% of Guamanians identify as Roman Catholic.

May 8: Gov. Leon Guerrero announced that Guam would move to PCOR 2 on Sunday, May 10, allowing malls, salons, shopping centers and flower shops to open at 50% capacity.
People in public would continue to be required to wear masks.
The Agana Shopping Center and Micronesia Mall, two of the largest malls in the territory, stated that they would limit the number of open entrances and total number of occupants, and screen all entering customers for fever with thermometers.

The Guam office of the United States Census Bureau announced that they would begin a phased reopening of operations to conduct the 2020 Census starting on May 11, with full functioning not expected for several weeks.

All 26 students of the University of Guam's nursing program chose to graduate in an accelerated program so they could take their licensing exams and enter the workforce early.

May 9: Gov. Leon Guerrero stated that the mandatory 14-day quarantine of all arrivals to Guam, located at the Pacific Star Resort & Spa, would continue at least until Guam entered PCOR 3.

May 17: The Joint Information Center announced that contracts had been signed with Hotel Santa Fe and Wyndham Garden Guam to act as quarantine facilities for incoming travelers.
Occupants in quarantine at the Pacific Star were to be transferred.

May 18: The re-opening of the Department of Revenue and Taxation in Barrigada for the first time since March drew an overflow crowd seeking to register vehicles and resolve tax situations.
Guam Police and National Guard were on hand to ensure order.

Gov. Leon Guerrero indicated that the government is planning to allow dine-in service at restaurants, at 50% capacity, starting on May 25, assuming that she receives draft public health guidance for consideration on May 21.
Leon Guerrero also indicated that yoga and pilates businesses may be allowed to open soon as well, though she indicated that gyms are "a little bit more risky."

May 21: A "residential cluster" of ten positive cases were discovered through contact tracing and had contact with two other confirmed cases; the one unrelated positive case was also traced via a confirmed case.
The governor stated that the island would not elevate to PCOR 1.

USS Theodore Roosevelt returned to sea with a reduced number of crew to conduct carrier qualification flights for Carrier Air Wing Eleven.
Capt.
Carlos Sardiello released a statement thanking the government and people of Guam for their support and hospitality.

May 22: With the discovery of a "residential cluster" in Yigo, with the third largest single-day increase in confirmed cases since the pandemic began, GovGuam announced that Guam will stay at PCOR 2 with no immediate lifting of restrictions, as had been planned for May 25.

May 23: Archbishop Michael J. Byrnes announced that the Archdiocese of Agaña would begin conducting services inside churches starting on May 30.
Masks will be required and
May 5: U.S. Immigration and Customs Enforcement executed an armed raid of MedPharm Group of Companies, one of the island's largest provider of medical supplies and pharmaceuticals. The Homeland Security spokesperson confirmed that it was related to a criminal investigation regarding the pandemic.
May 6: The Department of Health and Human Services announced that it had taken 806 samples from April 25 to May 2 in an expanded testing effort with focus on those with lack of access to health care and densely populated apartment complexes, of which two were positive. Expanded testing focused on senior care facilities and apartment complexes continued.
May 7: The Roman Catholic Archdiocese of Agaña updated its Sacramental Protocols to allow live Mass with parishioners seated in their cars in church parking lots for the coming weekend. Eucharist would be offered to parishioners standing by their vehicles or seated inside. It further allowed in-person confession, anointing of the sick for non-COVID patients, and baptism. Parishioners with flu-like symptoms or compromised immune systems were instructed to remain home. About 75% of Guamanians identify as Roman Catholic.
May 8: Gov. Leon Guerrero announced that Guam would move to PCOR 2 on Sunday, May 10, allowing malls, salons, shopping centers and flower shops to open at 50% capacity. People in public would continue to be required to wear masks. The Agana Shopping Center and Micronesia Mall, two of the largest malls in the territory, stated that they would limit the number of open entrances and total number of occupants, and screen all entering customers for fever with thermometers.
The Guam office of the United States Census Bureau announced that they would begin a phased reopening of operations to conduct the 2020 Census starting on May 11, with full functioning not expected for several weeks.
All 26 students of the University of Guam's nursing program chose to graduate in an accelerated program so they could take their licensing exams and enter the workforce early.
May 9: Gov. Leon Guerrero stated that the mandatory 14-day quarantine of all arrivals to Guam, located at the Pacific Star Resort & Spa, would continue at least until Guam entered PCOR 3.
May 17: The Joint Information Center announced that contracts had been signed with Hotel Santa Fe and Wyndham Garden Guam to act as quarantine facilities for incoming travelers. Occupants in quarantine at the Pacific Star were to be transferred.
May 18: The re-opening of the Department of Revenue and Taxation in Barrigada for the first time since March drew an overflow crowd seeking to register vehicles and resolve tax situations. Guam Police and National Guard were on hand to ensure order.
Gov. Leon Guerrero indicated that the government is planning to allow dine-in service at restaurants, at 50% capacity, starting on May 25, assuming that she receives draft public health guidance for consideration on May 21. Leon Guerrero also indicated that yoga and pilates businesses may be allowed to open soon as well, though she indicated that gyms are "a little bit more risky."
May 21: A "residential cluster" of ten positive cases were discovered through contact tracing and had contact with two other confirmed cases; the one unrelated positive case was also traced via a confirmed case. The governor stated that the island would not elevate to PCOR 1.
USS Theodore Roosevelt returned to sea with a reduced number of crew to conduct carrier qualification flights for Carrier Air Wing Eleven. Capt. Carlos Sardiello released a statement thanking the government and people of Guam for their support and hospitality.
May 22: With the discovery of a "residential cluster" in Yigo, with the third largest single-day increase in confirmed cases since the pandemic began, GovGuam announced that Guam will stay at PCOR 2 with no immediate lifting of restrictions, as had been planned for May 25.
May 23: Archbishop Michael J. Byrnes announced that the Archdiocese of Agaña would begin conducting services inside churches starting on May 30. Masks will be required and
COVID-19 pandemic in Guam