Nearly half the coronavirus deaths in Massachusetts have come from long-term care facilities, the state reported, as another 87 people died from the disease and cases rose by 1,886.

There are now 22,860 confirmed cases of the highly contagious virus in the state, the Department of Health reported Saturday.

The state’s death toll now stands at 686, with 306 coming from long-term care facilities where coronavirus has been spreading at an alarming rate.

The state said 190 long-term care facilities have now reported at least one case of COVID-19, and the virus has sickened 2,645 residents and health care workers at those centers.

At the Holyoke Soldiers’ Home — now under federal and state investigation — 37 veterans had died as of Saturday, 30 of whom tested positive for the virus. And 76 veterans there have contracted the virus overall.

Eight veterans have also died at the Chelsea Soldiers’ Home, six of whom tested positive for the virus, in an outbreak that has now spread to 25 residents and 41 staff, the state said.

Deaths reported Saturday ranged in age from a Middlesex County man in his 40s to a Norfolk County woman in her 100s, the state said, as the United States’ toll surpassed Italy as the highest in the world.

Suffolk County has the highest number of reported coronavirus cases in the state with 4,926. Middlesex County is next with 4,872.

Boston reported 3,676 cases and 50 deaths as of Saturday. Chelsea, an emerging hot spot, reported a total of 472 cases and 14 deaths.

Statewide, 2,120 patients have been hospitalized, and medical workers continue to fall ill. Beth Israel Lahey Health said 393 employees have tested positive for the virus across its system as of Saturday. Brigham and Women’s Hospital reported 220 as of Friday evening.