Each year in the last week of April, World Immunization Week brings global attention to one of the most powerful tools in public health: vaccines. Led by the World Health Organization (WHO) and supported by healthcare providers, nonprofits, and governments worldwide, the campaign highlights the importance of immunization in preventing disease, saving lives, and creating healthier communities.
The theme for 2025 is “Vaccines for All: Building a Healthier Future”, emphasizing equitable access and renewed efforts to close immunization gaps that widened during the COVID-19 pandemic.
Why Vaccines Matter
Vaccines have played a crucial role in reducing—and in some cases eradicating—deadly diseases. From measles and polio to influenza and COVID-19, immunizations help protect individuals and prevent outbreaks that could overwhelm communities.
The benefits of vaccines include:
- Preventing illness and complications: Vaccines help the body develop immunity without causing the disease.
- Protecting vulnerable populations: When enough people are vaccinated, herd immunity protects those who cannot receive vaccines due to age or medical reasons.
- Saving healthcare costs: Preventing disease through vaccination is far more cost-effective than treating infections and managing long-term complications.
- Supporting global development: Healthy populations mean stronger economies, better school attendance, and more resilient communities.

Where to Get Vaccinated
Vaccines are widely available through:
- Primary care clinics
- Pharmacies (especially for flu, COVID-19, shingles, and travel vaccines)
- Community health centers
- Public health departments offering free or low-cost vaccinations
- School-based health programs (for children and adolescents)
To find out what’s available in your area, check your local health department’s website or ask your primary care provider.
Which Vaccines Should You Get?
Vaccine recommendations vary by age, health status, travel plans, and lifestyle. Here are some common vaccines to consider:
For children and adolescents:
- MMR (measles, mumps, rubella)
- DTaP (diphtheria, tetanus, pertussis)
- Polio
- Hepatitis A and B
- HPV (human papillomavirus)
- Meningococcal and varicella (chickenpox)
For adults:
- Flu (annually)
- COVID-19 (and boosters as recommended)
- Tdap (tetanus, diphtheria, pertussis)
- Shingles (for those over 50)
- Pneumococcal (for older adults or those with health conditions)
For travelers:
- Yellow fever, typhoid, hepatitis A/B, depending on destination
Final Thoughts
World Immunization Week is more than a public health campaign—it’s a global call to action. Vaccines are a safe, effective, and essential way to protect ourselves and each other. By staying informed and up to date on immunizations, we contribute to a healthier, more resilient world.