Las Positas College will host a public seminar addressing vaccine hesitancy, bringing together students, staff, community members and leading healthcare professionals for an open, evidence-based discussion. 6-7:30 p.m., April 28. RSVP here: bit.ly/LPCVaccine.

This Intermediate English conversation group led by Gary Richter meets Tuesday and Thursday afternoons 1:30-3:00 p.m. at the library's conversation table. The group discussions focus on topics of everyday life in the USA. Everyone is welcome. See Gary's website for holidays/no class meetings.