article_snippet: The trial, using vaccines developed by the Public Health Agency of Canada, will be administered in Basse Guinee, a region that has had the highest number of Ebola cases in Guinea.
article_snippet: Patient Zero -- i.e. the first case in the current Ebola outbreak -- is thought to be a 2-year-old Guinean boy who contracted the virus in December 2013 and died a few days later.
article_snippet: Since then, the vast majority of the more than 23,900 cases and more than 9,800 deaths reported by WHO have come in Guinea and neighboring Liberia and Sierra Leone.
article_snippet: There are new Ebola cases every day, including 132 in the last week of February (which is up from 99 reported the previous week).
article_snippet: While Liberia didn't have any of these new incidences, Guinea did -- especially in Forecariah and Conakry.
article_snippet: Health workers in the Guinea trial will start with a new Ebola case and then trace all of that patient's contacts, giving each of Health workers in the Guinea trial the option of getting vaccinated.
article_snippet: John-Arne Rottingen, from the Norwegian Institute of Public Health, said this program is happening at the request of Guinean authorities and called the participation of residents there "vital" to this program success.
highlights_snippet: This trial campaign will be conducted in a hard-hit region of the West African nation of Guinea .
  
highlights_snippet: Authorities have had success in curbing Ebola, but dozens of new cases still arise each week .