The Department of Public Health reported 698 new cases in Massachusetts were reported Sunday, bringing the state's total to 4,955.
The four new deaths included a man in his 80s from Essex County; a woman in her 90s from Middlesex County; a woman in her 70s from Norfolk County and a woman in her 80s from Berkshire County.
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The woman in Middlesex County and the woman from Berkshire County were known to have preexisting conditions.
Here's where the cases have occurred, by county:
- Barnstable County: 148
- Berkshire County: 151
- Bristol County: 208
- Dukes County and Nantucket: 8
- Essex County: 570
- Franklin County: 41
- Hampden County: 201
- Hampshire County: 37
- Middlesex County: 981
- Norfolk County: 548
- Plymouth County: 325
- Suffolk County: 940
- Worcester County: 337
- Unknown 460
On Saturday, the state announced nine deaths from COVID-19 and 1,017 new cases, the largest single-day increase yet.
Gov. Charlie Baker has been cautioning that the number of cases would likely rise as testing for the virus ramped up across the state.
On Saturday, the White House announced that President Donald Trump had signed off on a major disaster declaration for Massachusetts on Friday, freeing up funds for the Commonwealth. Baker said earlier in the week he had submitted the request.
All travelers arriving in Massachusetts have been asked to self-quarantine for two weeks. Schools and non-emergency day care centers remain closed through the end of April, while a stay-at-home advisory for residents is currently in effect until April 7.