There is a vaccine available. About 1 million people are infected each year. Dengue fever causes a high fever, bone and joint pain, skin rash, hemorrhages under the skin, nausea, vomiting, swollen glands, and fatigue. No vaccine available. Viral Encephalitis Worldwide distribution.
Birds are often the hosts.
Viral Encephalitis' such as St. Louis Encephalitis, Eastern and Western Equine Encephalitis, and the California Encephalitis Group cause fever, headache, stiff neck, inflammation of the brain, convulsions, coma, and sometimes death. Elderly and children are affected the worst. Survivors may suffer paralysis and mental impairment. This virus was first discovered in the West Nile area of Uganda in 1937. It has been responsible for millions of human infections from the Western Mediterranean and Africa through the Middle East.