The typhus rats: Why a medieval disease is rocking LA

Rats, and the fleas that live on them, can be carriers of deadly diseases — including typhus, a bacteria-borne, fever-like illness that is rocking LA. Since 2009, the number of flea-borne typhus cases in LA has increased by a staggering 2,300%. Last year, the county recorded more cases than at any point in its history....