Indian Billionaires Bet Big on Head Start in Coronavirus Vaccine Race - The New York Times
https://www.nytimes.com/2020/08/01/world/asia/coronavirus-vaccine-india.html
New Ebola Vaccine Gives 100 Percent Protection - The New York Times
https://www.nytimes.com/2016/12/22/health/ebola-vaccine.html
Researchers Are Hatching a Low-Cost Covid-19 Vaccine - The New York Times
https://www.nytimes.com/2021/04/05/health/hexapro-mclellan-vaccine.html