San Diego County Health officials are reporting a new case of whooping cough bringing the total number of cases to 426 for 2011.
County Health and Human Services Agency officials say a five-year-old child at Kate Sessions Elementary School was diagnosed with pertussis.
The child was up-to-date with immunizations.
Health officials say this case is not the year-end total for pertussis in 2011because more cases from last year may get reported through the month of January.
No cases have been reported for 2012.