What were the two diseases that Europeans brought to the new world that killed American Indians what are five words that went from the new world to the old world

Numerous diseases were brought to North America, including smallpox, bubonic plague, chickenpox, cholera, the common cold, diphtheria, influenza, malaria, measles, scarlet fever, sexually transmitted diseases, typhoid, typhus, tuberculosis, pertussis (whooping cough), etc.