Health care people should receive routine immunization against meningococcal disease for laboratory personnel who are routinely exposed to isolates of "N. meningitidis". Laboratory personnel and medical staff are at risk of exposure to "N. meningitides" or to patients with meningococcal disease. Hospital Infection Control Practices Advisory Committee (HICPAC) recommendations regarding immunization of health-care workers that routine vaccination of health-care personnel is recommended, Any individual 11–55 years of age who wishes to reduce their risk of meningococcal disease may receive meningitis A, C, Y and W-135 vaccines and those older than 55 years of age. Under certain circumstances if unvaccinated health-care personnel cannot get vaccinated and who have intensive contact with oropharyngeal secretions of infected patients and who do not use proper precautions should receive anti-infective prophylaxis against meningococcal infection (i.e., 2-day regimen of oral rifampicin or a single dose of IM ceftriaxone or a single dose of oral ciprofloxacin).