“A ban upon public meetings having been placed by the commissioners of the District of Columbia on account of the alarming spread of the Spanish influenza, in accordance with the direction of the Health Officer, on October 7, 1918, I ordered the communications of the constituent lodges to be discontinued until further notice. The ban was removed on November 4, and I notified the lodges accordingly."
The flu impacted degree conferrals scheduled in October, but the proceedings note that many lodges arranged courtesy degrees in November to make up for the temporary hiatus.
A review of DC newspapers provides a bit more context into Grand Lodge communications and activities (if any) during the month hiatus. The Grand Lodge issued their first notice published in the Washington Post on October 8, 1918: