https://chroniclingamerica.loc.gov/lccn/sn88065726/1918-08-30/ed-1/seq-2/

Kissing friends and relatives is discouraged by New York health commissioner Copeland, even as bacteriological studies suggest the outbreak is a mild grippe or common cold. Sick people are discouraged from taking train and other public transportation. A large turnout is expected for the election of officers at the War Mothers of Maryland convention.

Source: "Influenza and Osculation," Evening Capital and Maryland Gazette, Annapolis, Maryland, August 30, 1918. Page 2, Column 1.