Tier 2 keto Other groups at risk include people with weakened immune systems, diabetics , chronic alcoholics, injecting drug users, and anyone older than 60 years. Other types of brain infections besides bacterial and viral meningitis are caused by West Nile Bacterial Abscesses and Viruses.Abscesses Spinal abscesses are caused by various bacteria. The infection most often spreads to the spinal canal (tunnel) directly from inflammation near the spine, such as certain ulcers or large and deep skin abscesses, extension of the infection from the digestive tract, or from other sources of infection in the body. http://www.gogreenphotography3.com/reviews/