Earlier this year, a new international coalition CEPI-the coalition for Epidemic Preparedness Innovations- was launched in Davos with aim of accelerating the development of vaccines for emerging infectious diseases in order to prevent future pandemics. pandemics of infectious diseases like Ebola. an Ebola vaccine was created in 2003 and tested in 2005 and sat in a freezer until 2016 when it was proven to be 100 percent effective at preventing infections. the vaccine stalled because it is extremely expensive to develop vaccines, it usually cost up to $1 billion to test vaccines in large clinical trials and the whole manufacturing process. Pharmaceutical companies do not invest in such when it comes to diseases like Ebola, which are and tend to hit poor countries, there is simply no significant return on investment.