San Francisco Chronicle, by Aidin Vaziri, July 7, 2022
Summer in the Bay Area means outdoor parties, weddings and music festivals, where people can worry a little bit less about catching COVID-19. But will fast-spreading offshoots of the omicron coronavirus variant change the equation this year?
The highly infectious and immune-evasive BA.4 and BA.5 sub-lineages of omicron are now the dominant strains in Northern California, according to data published by the Centers for Disease Control and Prevention. COVID infections are up across the state as the test-positivity rate nears record levels, meaning the risk is higher in nearly all settings.