Health authorities in Kenya have recorded nine confirmed Ebola cases caused by the Bundibugyo virus, and one patient has died. Now a Nigerian minister has stated that the case identified in Nigeria is highly similar to the infection documented in Kenya. The comparison raises the possibility that the two outbreaks share a common source, though officials have not explained the link in detail. Bundibugyo is one of the less lethal species of the Ebola virus, historically associated with outbreaks that claim fewer lives than the Zaire strain. Laboratories are expected to compare samples from both countries to establish whether the same virus lineage is at play. Questions still remain about how the Nigerian patient was infected and where the person had travelled before falling ill. Health teams in both countries are tracing contacts and monitoring anyone who may have been exposed. More details are likely once sequencing results and epidemiological findings are published.