Hunter virus is a virus transmitted mainly from rodents to humans. >> It's the same rare disease that is blamed on the death of Betsy Arakawa, the wife of late actor Gene Hackman last year. Dr.. Kavita Patel says symptoms can take days to appear. >> It first manifests with like a cough or shortness of breath or something that's pulmonary, sometimes a fast heart rate, often with a fever. And as the virus kind of gets attack of the body, you can see other symptoms including sepsis.The World Health Organizatio ...