3. College classes at a crossroads. As administrators begin to craft strategies for coexisting with the virus, petitions at several UC campuses demanding a blend of online and in-person learning have garnered thousands of signatures, and students at UCLA, UC Davis and UC Irvine are planning one-day walkouts this week in support of more flexible instruction options. … Nevertheless, UC officials argue, campuses — which require vaccinations, boosters, masking, physical distancing and regular testing — are safer than the surrounding communities. “We believe the campus is safe and we encourage students to attend class,” UC Irvine Provost Hal Stern told the Los Angeles Times.