Groups of researchers — funded and aided by a variety of U.S. government agencies — have been working on treatments and vaccines for Ebola for nearly 30 years. The Canadian government also has funded an array of research into Ebola. “This isn’t something that happened overnight,” said Tom Geisbert, a professor of microbiology and immunology at UTMB who has spent almost 25 years on the effort. “All of these started at least a decade ago.”