LA hit a record high for typhus cases last year. Why is the flea-borne disease so hard to eradicate? - LAist

LA hit a record high for typhus cases last year. Why is the flea-borne disease so hard to eradicate?  LAistCases of dangerous disease 'as old as the plague' hit record high in California  SFGATETyphus from fleas hits record level in L.A.: Where the hot spots are and how to protect yourself  Los Angeles TimesSanta Monica and Central Los Angeles are among the sites of recent and alarming typhus outbreaks  Santa Monica MirrorWhat is flea-borne typhus? LA County reports record number of cases  USA Today