The East Hampton Healthcare Foundation’s monthly wellness fair will take place Friday from 11 a.m. to 2 p.m. at the former Most Holy Trinity Catholic School. Parking is in the church lot off Buell Lane. Services will include screenings for cholesterol, blood pressure, and H.I.V. Applications for colorectal screenings and appointments for no-cost mammogram and Pap tests for uninsured women over 40 will also be available.