Neurological research and practice · 2026
Prevention of neuroinfectious-diseases: high impact of vaccination programs - but the potential is not maxed out yet.
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Klein Matthias, Schöls Maximilian, Tumani Hayrettin, Meyding-Lamade Uta, Decker Julia, Maschke Matthias, Wagner Judith
Аннотация
BACKGROUND: The greatest impact on the burden of CNS infections resulted from preventive measures, mainly vaccination programs, that have decreased the incidence of many CNS infections significantly. Here, we highlight the main cornerstones of vaccination programs on bacterial and viral CNS infections and point at future chances of upcoming vaccines.
MAIN BODY: Vaccination programs have significantly decreased the number of cases due to Haemophilus influenzae type B and Neisseria meningitidis. For pneumococcal meningitis, new vaccines that prevent neuroinvasive serotypes have the potential to decrease numbers in the future. Whereas a vaccine is available for tick-borne encephalitis, prevention of neuroborreliosis is limited to contact precautions. However, vaccination rates against tick-borne encephalitis remain too low in many countries. Another neurotropic virus that can be prevented effectively by vaccination is varicella zoster virus (VZV). Interestingly, vaccination against VZV also seems to reduce the risk of dementia as recently shown. While vaccination is important in general, patients with immunosuppression benefit most from vaccinations. Finally, recent measles outbreaks impressively underline the efficacy of vaccination programs and demonstrate what can happens if vaccination rates decrease.
CONCLUSION: Vaccination programs have shown to be effective in reducing the burden of CNS infections. As vaccination rates are generally still too low and as new vaccines are coming up, it is obvious that the potential of vaccines to prevent CNS infections is not maxed out yet.
MAIN BODY: Vaccination programs have significantly decreased the number of cases due to Haemophilus influenzae type B and Neisseria meningitidis. For pneumococcal meningitis, new vaccines that prevent neuroinvasive serotypes have the potential to decrease numbers in the future. Whereas a vaccine is available for tick-borne encephalitis, prevention of neuroborreliosis is limited to contact precautions. However, vaccination rates against tick-borne encephalitis remain too low in many countries. Another neurotropic virus that can be prevented effectively by vaccination is varicella zoster virus (VZV). Interestingly, vaccination against VZV also seems to reduce the risk of dementia as recently shown. While vaccination is important in general, patients with immunosuppression benefit most from vaccinations. Finally, recent measles outbreaks impressively underline the efficacy of vaccination programs and demonstrate what can happens if vaccination rates decrease.
CONCLUSION: Vaccination programs have shown to be effective in reducing the burden of CNS infections. As vaccination rates are generally still too low and as new vaccines are coming up, it is obvious that the potential of vaccines to prevent CNS infections is not maxed out yet.