Hamilton, I.A. (2020). Bill Gates Is Helping Fund New Factories for 7 Potential Coronavirus Vaccines, even though it Will Waste Billions of Dollars. Business insider.com. Retrieved May 15, 2020, from https://www.businessinsider.com/bill‐gates‐factories‐7‐different‐vaccines‐to‐fight‐coronavirus‐2020‐4