California is experiencing another summer wave of COVID-19, with tests, hospital visits, and wastewater data all showing an uptick in cases. From Los Angeles to the Bay Area and Sacramento, public health officials are recommending that residents consider wearing masks again in indoor public spaces until case levels subside.Despite the increase in infections, hospitalizations remain relatively low compared to previous waves. Health leaders say that is a positive sign but still caution that preventative measures, including masking, can help limit spread in crowded settings.The guidance has sparked mixed reactions. Some residents say reminders about masking feel like “deja vu fatigue,” while others note that masks only work effectively when worn properly. Experts emphasize that surgical masks offer limited protection, and the best results come from properly fitted KN95 or N95 masks.Looking ahead, health officials say schools, concerts, and other large gatherings may need to adapt if…..