Joint pain. Joint pain is a very common problem with many possible causes - but it's usually a result of injury or arthritis. In older people, joint pain that gets steadily worse is usually a sign of osteoarthritis. It may affect just one joint, or many. See your GP if you have persistent symptoms of osteoarthritis.
What Mencevax ACWY vaccine is used for. MENCEVAX ACWY is a vaccine used to help prevent (meningococcal) meningitis. Meningitis occurs when bacteria (most commonly Neisseria meningitidis) infect the tissue lining the brain. Meningococcal meningitis is an infectious disease that is sometimes fatal.
The first vaccine for the prevention of HIV/AIDS (Aidsvax) entered Phase III trial, the first large-scale human trial of an HIV vaccine. The trial involved more than 5,400 volunteers from the U.S., Canada, and the Netherlands, the majority of whom were men who have sex with men.