The 90734 MENACWYD/MENACWYCRM VACC IM is a vaccine that helps protect against meningococcal disease. Meningococcal disease is a serious infection that can cause meningitis (inflammation of the brain and spinal cord) and sepsis (blood infection). The vaccine is given as a shot, and it is recommended for people who are at increased risk for getting meningococcal disease, such as people with certain medical conditions or who are traveling to certain countries.