coronavirus July 31, 2024 4:39 pm COVID summer surge: CDC data shows cases ‘very high' in California A COVID summer surge has the virus hitting record levels in some areas. Ian Cull reports. US & World Videos 5:53 Sunnyvale sisters to swim from Alcatraz to San Francisco for 100th time 2:35 Simone Biles brings “GOAT Tour” to San Jose 2:38 Caltrain welcomes all-electric fleet 1:13 VTA employee shot, killed at bus yard 6:04 VTA briefs community on deadly shooting