Comprehensive, evidence-based information on diseases that vaccines prevent. Explore epidemiology, vaccine impact data, and current recommendations.
Each disease page provides burden data, historical context, vaccine impact analysis, and links to peer-reviewed sources. Select a disease to explore the evidence.
Highly contagious viral disease. MMR vaccine impact and herd immunity data.
Near-eradication story. Endemic countries and vaccine-derived poliovirus.
Seasonal flu burden. Vaccine formulation and effectiveness data.
Vaccine development, trial data, effectiveness, and documented adverse events.
Cervical cancer prevention. Gardasil/Cervarix efficacy and impact on incidence.
Liver disease burden. Universal infant vaccination evidence.
Whooping cough. Whole-cell vs acellular vaccine effectiveness.
Meningococcal disease. Serogroups, vaccines, and recommendations.
PCV vaccines. Serotype coverage and effectiveness by age group.
New vaccines 2023-2024. Abrysvo, Arexvy, and ACIP recommendations.
2022 global outbreak. JYNNEOS vaccine efficacy and recommendations.
Near-100% fatality. Post-exposure prophylaxis protocols.
The only human disease eradicated. WHO campaign 1967-1980.
RTS,S and R21 vaccines. WHO recommendation and efficacy data.
Four-serotype biology. Dengvaxia controversy and current guidance.
Transparency Note: Data presented on these pages comes from public health authorities and peer-reviewed research. Where data is incomplete, contested, or subject to ongoing research, we note these limitations explicitly.