Vaccination is the most important preventive measure against yellow fever. The vaccine is safe, affordable, and highly effective.

Key facts about the vaccine:

• Provides effective immunity within 10 days for 80-100% of vaccinated people

• Within 30 days for more than 99% of vaccinated individuals

• Administered in a single dose

• A booster is recommended every 10 years for those remaining at risk

• Only administered at designated vaccination centers

International Certificate:

After vaccination, you receive an “International Certificate of Vaccination or Prophylaxis” (yellow card) that:

• Becomes valid 10 days after vaccination

• Is valid for 10 years

• Is required as proof of vaccination for entry to certain countries

• People aged 9 months to 59 years traveling to or living in risk areas

• Laboratory workers exposed to the virus

Special precautions:

• Adults over 60: Consult a doctor before vaccination

• Pregnant and breastfeeding women: Avoid travel to risk areas; if essential, consult a doctor

• Infants 6-8 months: Avoid travel to risk areas

• People with severe allergies to vaccine components (eggs, chicken proteins, gelatin)

• Infants under 6 months

• People with weakened immune systems (HIV/AIDS, cancer, transplants, etc.)

• People with thymus gland disorders