How Viruses Cause Disease

Columbia University is a private university located in Morningside Heights, in the north-western part of the borough of Manhattan, in New York (United States). Its origins lie in King's College, founded in 1754 by King George II of Great Britain. It is one of the oldest institutions of higher learning in the United States and is part of the Ivy League group of eight of the country's oldest, most famous, most prestigious and most elitist universities.

Columbia is one of the most selective and prestigious universities in the world. The admission rate was 5.1% in 2019, comparable to Harvard and Stanford. Ranked first in the United States for research, it is sixth in the world (fourth in the United States) in the CUWR ranking of the world's top 1,000 universities and eighth in the Shanghai University Rankings.

Coursera is a digital company offering massive open online course founded by computer teachers Andrew Ng and Daphne Koller Stanford University, located in Mountain View, California. 

Coursera works with top universities and organizations to make some of their courses available online, and offers courses in many subjects, including: physics, engineering, humanities, medicine, biology, social sciences, mathematics, business, computer science, digital marketing, data science, and other subjects.