Officials believe the sick person was bitten by an infected flea while camping in the South Lake Tahoe area. Health officials in California identified a positive case of plague in a Lake Tahoe resident.

Public health officials said the person may have been bitten by an infected flea while camping in the South Lake Tahoe area.

A South Lake Tahoe resident has tested positive for the plague — yes, the same pest-transmitted disease estimated to have killed 25 million Europeans in the Middle Ages.