World Health Organisation personnel combating an Angolan outbreak of the lethal Marburg virus used high-resolution satellite-based urban maps provided through a pair of ESA-led activities.
The Marburg virus causes Ebola-like internal bleeding in humans, with an incubation period of between five and nine days. A Marburg outbreak was detected in Angolas Luanda city at the start of April. It has since taken the lives of more than 255 victims, many of them children under five.
To help local World Health Organisation (WHO) teams fight the epidemic, updated maps of Angolan cities based on 2.5-metre resolution SPOT 5 imagery along with metric IKONOS images were prepared. The maps have been used to orientate field workers, plan activities and integrate information on the spread of cases. "This product will be of great help to our organisation with the recent outbreak of Marburg virus," said Johan Lemarchand of WHO. Latest reports indicate the virus is now under control.
Mariangela D’Acunto | alfa
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The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
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