The first shipment of an Ebola vaccine should arrive in Liberia Friday . Some 200 people are expected to be tested in the first large - scale test of the vaccine . Health care workers will be the first to get the vaccine as they are most vulnerable .
The first vials of an Ebola vaccine should land in Liberia Friday . Some 37,000 people are expected to be involved in the first large-scale test of the vaccine . Health care workers will be the first to get the vaccine as they are most vulnerable .