Monday Essentials: Flu Clinic, GWarc Meeting

See what's going on in Waltham the week of Nov. 18.

-GWarc will hold its annual meeting at 6 p.m. on Nov. 20.

-Katherine Clark, who is running for the 5th Congressional District seat that covers Waltham, will visit Waltham at 7 p.m. on Nov. 21.

-The First Parish Unitarian Universalist will hold a community open house on Nov. 23 at 5 p.m.

-Waltham will hold a flu clinic on Nov. 21.