What is VHS? Viral hemorrhagic septicemia (VHS) virus is a serious pathogen of fresh and saltwater fish that is causing a disease issue in the Great Lakes region of the United States and Canada. VHS virus is a rhabdovirus (rod shaped virus) that affects fish of all size and age ranges. It does not pose any threat to human health.
1 Chemical meningitis may cause headaches, vomiting, nausea, and other symptoms. 2  Because chemical meningitis disrupts the normal function of the meninges, the patient can experience decreased motor and sensory function. Because chemical meningitis disrupts the normal function of the meninges, the patient can experience decreased motor and sensory function. 2  That means that the person could have problems in moving parts of their bodies or, worse, have problems walking and moving around.
Bacteria and viruses are the two main causes of meningitis. The bacterium Neisseria meningitidis, also called meningococcus, causes meningococcal meningitis. In children and teens, meningococcus is the most common cause of bacterial meningitis.In adults, it is the second most common cause.our risk for meningococcal meningitis increases if you are exposed to the bacterium that causes it. Your risk also increases if you've had a recent upper respiratory infection. Babies, children, and teens are at greatest risk.