Measles, mumps and rubella virus vaccine at Union Community Care clinic in Lancaster, Pa., on Thursday, Oct. 8, 2026. (AP Photo/Jessie Wardarski)

Dr. Anne-Marie Derrico, left, chief medical officer at the nonprofit Union Community Care, works on a computer at the clinic in Lancaster, Pa., on Thursday, Oct. 8, 2026. (AP Photo/Jessie Wardarski)

Doctors work at the nonprofit, Union Community Care clinic, in Lancaster, Pa., on Thursday, Oct. 8, 2026. (AP Photo/Jessie Wardarski)

A member of the Plain community, center left, sells flowers at The Green Dragon Farmers Market and Auction in Ephrata, Pa., on Friday, Oct. 9, 2026. (AP Photo/Jessie Wardarski)

A hay auction at The Green Dragon Farmers Market and Auction in Ephrata, Pa., on Friday, Oct. 9, 2026. (AP Photo/Jessie Wardarski)

A member of the Plain community tends to horses at The Green Dragon Farmers Market and Auction in Ephrata, Pa., on Friday, Oct. 9, 2026. (AP Photo/Jessie Wardarski)

A person walks in front of an electronic stock board showing Japan's Nikkei and New York Dow indexes at a securities firm, Monday, Nov. 2, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)

A person walks in front of an electronic stock board showing Japan's Nikkei index at a securities firm, Monday, Nov. 2, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)