When the scientists modeled disease transmission, they found that while an «infected person's 11 nearest neighbors faced a greater than 80
percent chance of infection,» Wired reports, «all the remaining passengers, however, had a lower than 3 percent risk.»
Spaying reduces the incidence
of urinary tract
infections in females, and lowers the
chances of mammary tumors later in life by up to 86
percent.