The vestibular system includes the parts of the inner ear and brain that help control balance and eye movements. If the system is damaged by disease, aging, or injury, vestibular disorders can result, and are often associated with one or more of these symptoms, among others: Vertigo and dizziness.
The hepatitis B virus can survive outside the body for at least 7 days. During this time, the virus can still cause infection if it enters the body of a person who is not protected by the vaccine. The incubation period of the hepatitis B virus is 75 days on average, but can vary from 30 to 180 days.
Hepatitis B is a contagious liver disease caused by the hepatitis B virus. It can cause either acute or chronic illness.Acute hepatitis B is a newly acquired infection that causes illness within six months or less of exposure to the hepatitis B virus.Chronic hepatitis B results from the hepatitis B virus remaining in the body for six months or more.eath from chronic liver disease or liver cancer occurs in 15-25% of chronically infected people. How lon g is a person able to spread hepatitis B? Hepatitis B is present before symptoms appear and while symptoms are present. Persons with the hepatitis B virus in their blood can spread hepatitis B to others.