One of two Vacaville schools closed last week because of H1N1 flu worries reopened Monday, while the second campus was set to resume session on Tuesday.
Students have returned to Vacaville Christian High School.
At Vacaville Christian, 43 students and a third of the faculty earlier were out with flu-like symptoms.
Paul Harrell, CEO Vacaville Christian Schools. said the "time out" was needed to keep the problem from getting worse.
Disinfection efforts have taken place at both campuses.
A football game between Vacaville Christian and Foresthill High School was postponed Friday because of the flu. The game was rescheduled for 7 p.m. Monday at Vacaville Christian.
Meanwhile, Browns Valley Elementary School will reopen on Tuesday.
A first-grade student from Browns Valley who died had the H1N1 virus in her system. Authorities haven't determined if it was the cause of the child's death.
Over the weekend President Barack Obama declared the swine flu outbreak a national emergency.
The declaration, signed Friday night and announced Saturday, comes with the rates of illness are rising rapidly in many areas and production delays undercutting the government's initial, optimistic estimates that as many as 120 million doses of the vaccine could be available by mid-October.
He said the pandemic keeps evolving and there's a potential "to overburden health care resources."
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