Decrease occurs in severe inflammation, acute hepatitis, and cirrhosis. Medications may be used to treat chronic viral hepatitis. Many people with autoimmune hepatitis have other autoimmune diseases. Obesity increases the likelihood of progression to cirrhosis in individuals with alcoholic hepatitis. This is common in hepatitis B virus and hepatitis C virus infections. Animal tests for antibodies to ebola, malaria, influenza, and hepatitis were underway. In collaboration with Janssen to develop medicines for the treatment of hepatitis B virus infection. Hepatic reactions, including hepatitis, cholestatic jaundice, chronic active hepatitis, and hepatic necrosis, occur rarely. Hepatitis B virus surface antigens have not been detected. Polyarteritis nodosa is more common in people with hepatitis B infection. Mitchell also contracted herpes, chlamydia, hepatitis, and trichomoniasis. Avoiding smoking and getting vaccinated for influenza, pneumococcus, and hepatitis is also recommended. Bananas have been developed that produce a human vaccine against hepatitis B. French kissing is an unlikely mode of transmission of infection by Hepatitis B or gonorrhea. Aplastic anemia is present in up to 2% of patients with acute viral hepatitis.