The Yellow Card, officially known as the International Certificate of Vaccination or Prophylaxis (ICVP), is more than just a travel document — it’s a historical symbol of the world’s effort to prevent the international spread of deadly diseases. Its story begins in the early 20th century, when global health authorities realized that infectious diseases could easily cross borders through international travel.
Early Origins: The Fight Against Epidemics
The roots of the Yellow Card can be traced back to the early 1900s, when deadly diseases such as cholera, smallpox, and yellow fever were spreading rapidly across continents through ships and trade routes.
At that time, many countries implemented their own local vaccination or quarantine certificates for travelers and sailors. However, there was noe global standard, which made verification difficult and often led to confusion or fraudulent documents.
This concern led to the creation of the International Sanitary Conferences, where global leaders met to discuss coordinated disease prevention strategies. These conferences laid the foundation for international health cooperation and later evolved into what became the World Health Organization (WHO) in 1948.
Creation of the International Certificate of Vaccination
After the establishment of the WHO, there was a clear need for a standardized, globally recognized vaccination document.
In 1951, the International Health Regulations (IHR) were first adopted. These regulations provided a legal framework for countries to prevent and control the international spread of diseases while minimizing unnecessary interference with global travel and trade.
As part of these regulations, the WHO introduced the International Certificate of Vaccination, popularly known as the Yellow Card because of its distinct yellow color — chosen to make it easily recognizable and hard to counterfeit.
Focus on Yellow Fever
While the Yellow Card was designed to record multiple vaccines, it became most closely associated with yellow fever — a viral disease transmitted by mosquitoes that can cause severe illness and death.
Yellow fever had a history of devastating outbreaks in Africa, the Americas, and parts of Europe. In the 20th century, it became one of the first diseases for which international vaccination was required for travel, especially to and from endemic regions.
To protect both travelers and destination countries, the WHO mandated proof of yellow fever vaccination for entry into certain countries. This rule made the Yellow Card an essential document for global travelers.
Evolution and Digitalization
Over the decades, the Yellow Card expanded to include vaccines for other diseases, such as cholera, meningitis, and COVID-19 in recent years.
In Nigeria, the Yellow Card was first introduced under the supervision of the Federal Ministry of Health through Port Health Services, which managed vaccination centers at airports, seaports, and border posts.
In 2019, Nigeria launched the e-Yellow Card, a digitalized version embedded with a QR code to verify authenticity and reduce forgery. Travelers can now register online via yellowcard.health.gov.ng, receive their vaccination, and print a verifiable certificate.
The Yellow Card Today
Today, the Yellow Card remains a vital document under the revised International Health Regulations (IHR 2005). It stands as proof that the holder has received vaccinations required for international travel, especially the yellow fever vaccine, which remains valid for 10 years and is recognized globally.
Beyond its use in travel, the Yellow Card also represents a legacy of global cooperation in health — a reminder of how the world came together to fight infectious diseases across borders.
Key Historical Milestones
Year Event
1851 First International Sanitary Conference held to control cholera and plague spread.
1948 World Health Organization (WHO) established.
1951 First International Health Regulations adopted; birth of the Yellow Card.
1969 WHO revised IHR to include yellow fever as a mandatory vaccination.
2019 Nigeria launched the e-Yellow Card system.
The history of the Yellow Card reflects humanity’s shared journey toward health security and international cooperation. What began as a simple health record has evolved into a global passport for disease prevention, ensuring that international travel does not compromise global health.
It stands today not just as a proof of vaccination, but as a testament to the world’s determination to safeguard life through science, regulation, and unity.
Sources
1. World Health Organization (WHO) – International Health Regulations (IHR), 1951–2005
2. Federal Ministry of Health, Nigeria – Port Health Services: Yellow Card Portal (yellowcard.health.gov.ng)
3. Centers for Disease Control and Prevention (CDC) – International Certificate of Vaccination or Prophylaxis
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