WASHINGTON, D.C. - APRIL 20, 2018: The United States Capitol in Washington, D.C., often called the Capitol Building, is the home of the United State Congress and the seat of the legislative branch of the U.S. federal govermnent. (Photo by Robert Alexander/Getty Images)

WASHINGTON — The Office of Attending Physician notified some congressional staff members on Wednesday in an email of a possible coronavirus exposure that may have occurred among attendees at the recent American Israel Public Affairs Committee conference in Washington, D.C.

It could not be immediately determined how many received the email and the breadth of its distribution.

"The Office of Attending Physician has been made aware of an informational memo sent by AIPAC regarding a possible coronavirus exposure that may have occurred regarding attendees at the recent AIPAC meeting in Washington, DC," the email stated.

AIPAC referred CNBC to its tweet when asked for comment.

Tweet

The AIPAC memo said it has been made aware that a group of attendees from New York "was potentially in contact with prior to the conference with an individual who contracted coronavirus." That group has been added to the self-quarantine list.

New York Gov. Andrew Cuomo earlier Wednesday confirmed that a family of four and their neighbor have tested positive for the coronavirus, bringing the number of cases in the state to at least six.