The number of COVID-19 cases in Virginia has increased to 77.

About 1,278 test results had been received as of noon Wednesday, with 77 people testing presumptive positive, according to the Virginia Department of Health.

The Peninsula Health District continues to have the highest number of cases, with 15 — 13 in James City County and one each in York County and Williamsburg.

It is one of three “outbreaks” of COVID-19 in the state, Dr. Norman Oliver, state health commissioner, stated in a press conference with Gov. Ralph Northam on Wednesday morning. An outbreak is defined as where two or more cases can be traced to a common source. The other two outbreaks in the state are in the Richmond area.

There are 14 cases in Arlington County, 14 in Fairfax County and five or fewer in Loudoun County, Chesterfield County, Virginia Beach, Prince William County, Richmond, Spotsylvania County, Stafford County, Charles City County, Goochland County, Hanover County, Henrico County, Alexandria, Charlottesville, Prince Edward County and Harrisonburg.