What to know about the outbreak of a rare kind of Ebola as cases outpace response

An outbreak of the rare Bundibugyo strain of Ebola, with 134 confirmed cases and 17 deaths in Congo and nine cases and one death in Uganda, has been declared a public health emergency by the WHO. The outbreak is exacerbated by conflict in eastern Congo, lack of approved treatments or vaccines, and challenges in gaining community trust and securing resources.