Infest and infect. While the world is still reeling from the hantavirus cruise outbreak — and the disease is gaining ground in the US — an entirely different rat-borne disease has claimed the life of one Berkley, California resident. In a public health release issued this week, the city confirmed that a man had died in May after contracting leptospirosis, a bacterial disease spread through infected urine, particularly rat urine. According to reports, a second victim who lived with the deceased