For nearly three years, an increase in federal aid has allowed California to issue higher-than-usual amounts in food stamps. That ends in April.

Second Harvest of Silicon Valley, which serves Santa Clara and San Mateo counties, is reporting an increase in requests for home delivery of free groceries, as more people are forced to isolate due to exposure or illness related to the omicron variant.

Volunteers make up 40 percent of the Second Harvest workforce, but the pandemic caused a huge shortfall of good Samaritans.