http://www.newsweek.com/yezo-virus-new-disease-infects-humans-discovered-japan-ticks-hokkaido-1635580 > Researchers in Japan have identified a previously unknown virus that can infect humans and cause disease. > Named the Yezo virus, this new virus is transmitted by tick bites and causes a disease with symptoms that include fever and a reduction in blood platelets and white blood cells, responsible for counteracting foreign substances and disease.