Edward Jenner and the Smallpox Vaccine

Edward Jenner and the Smallpox Vaccine

Every year, approximately 85% of the world’s children receive vaccines protecting them against deadly diseases such as polio, diphtheria, tetanus and tuberculosis. It has been estimated that vaccines save 9 million lives globally per year, and they have the potential...
Smallpox and the Conquest of Mexico

Smallpox and the Conquest of Mexico

In 1517 the Spanish conquistadors, led by Hernán Cortés, arrived in Tenochtitlan, the capital of the Aztec Empire. The ruler of the Aztecs, Motecuhzoma II, made the Spanish welcome and things were friendly between the Spanish and the Aztecs initially. Two years later...