Tick-Borne Encephalitis is a viral infection spread by tick bites infected with the virus in certain parts of the world. It can lead to a range of symptoms, from mild flu-like symptoms to more severe symptoms that affect the nervous system. Initial symptoms include fever, headache, muscle pain, and fatigue. In severe cases, the infection can spread to cause inflammation of the brain and spinal cord, causes further symptoms such as confusion, paralysis, and even death in some instances. Luckily, the Tick-Borne Encephalitis vaccine provides the best protection against the disease.