The California Department of Public Health confirmed 18 cases of swine flu in the state as of Thursday and was testing samples from 41 probable cases. A county-by-county breakdown:

Confirmed cases

  • San Diego: 7
  • Imperial: 5
  • Marin: 2
  • San Bernardino: 1
  • Sacramento: 1

U.S. Marine Corps confirmed cases:

  • Camp Pendleton: 2

Probable cases

  • Imperial: 10
  • San Diego: 8
  • Santa Clara: 5
  • Riverside: 4
  • Sacramento: 3
  • San Mateo: 2
  • Orange County: 2
  • Alameda: 1
  • Los Angeles: 1
  • San Bernardino: 1
  • San Francisco: 1
  • San Joaquin: 1
  • Solano: 1
  • Tulare: 1

Reports the Associated Press