German police cordoned off part of a train station in Hamburg and isolated two people to reduce the risk of the deadly Marburg virus spreading.

Two people suspected of having the potentially lethal Marburg virus have tested negative, according to a Thursday statement from the city of Hamburg's social welfare office. They traveled to Germany from Rwanda.

Rwanda is currently grappling with an outbreak of the deadly Marburg virus. According to the health ministry, the death toll has risen to 11, with at least 36 confirmed cases.

Two people recently returned to Germany from Rwanda who feared they had contracted the deadly Marburg virus have tested negative, health officials in Hamburg said Thursday.

Marburg has caused small, episodic outbreaks since first being identified, most recently last year in Tanzania and Ghana. It is one of the deadliest known viruses, with no approved vaccines or specific treatments.

The East African country continues to investigate the source of the outbreak, first traced among patients in health facilities.

Amid reports of a deadly viral outbreak in Central Africa, researchers are reportedly scrambling to develop treatments and vaccines to combat Marburg virus.

Health officials in Rwanda are dealing with the country’s first outbreak of the Marburg virus, an Ebola-like disease which, if left untreated, has a fatality rate of up to 88%.

There are no treatments or vaccines approved for Marburg, a virus in the same family as Ebola with a fatality rate between 24% to 88%.

While outbreaks of Marburg virus are rare, there have been several in recent years across sub-Saharan Africa. It's one of the deadliest viral diseases and can be fatal. Here's what you need to know.

The Marburg virus disease, which is similar to Ebola, has killed hundreds of people in recent years, mostly in African nations. It is fatal for about half the people it infects according to data from the World Health Organisation (WHO).