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| | | | | | | High resolution satellite imagery assists hunt for infectious 'kissing bugs'
28 September 2004
| Adult Rhodnius prolixus taking a blood meal through human skin. The reduviid insect transmits the parasites which cause Chagas disease in faeces which they deposit near the site of their bite. Scratching or rubbing by the person bitten can transfer the parasites into the body via the wound or other sites such as the eye.
Credits: WHO/TDR/Stammers | |  |  | |
| | | | | Thin section of heart muscle (haemotoxylin & eosin stain) showing amastigote - or host - stage of Trypanosoma cruzi, the protozoan parasite that causes the wasting Chagas disease. Amastigotes multiply, destroying adjoining tissue, and form pseudocysts (localised collections of fluid). The darkly stained, rod-like kinetoplasts - oversized mitochondria containing granules of DNA - are visible.
Credits: WHO/TDR/Stammers | | | | |
| | | | | Very high resolution satellite image of the Matagalpa district of Nicaragua, serving as a basis for Médecins Sans Frontières anti-Chagas disease campaign. The image was supplied by ESA's HUMAN service for humanitarian mapping, and was acquired in 2002 by Ikonos. The yellow boxed area is further enlarged in the following image.
Credits: HUMAN | | | | |
| | | | | A close-up of the previous satellite image of Matagalpa, supplied to Médecins Sans Frontières for an anti-Chagas disease campaign by the ESA-backed HUMAN service for humanitarian mapping. More detail is evident within the town in this close-up, with for example, roads, vehicles on the roads and individual building rooftops clearly visible.
Credits: HUMAN | | | | |
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| | Related news War zone aid workers rely on ESA map from spaceIn depth Data User ElementHUMAN project summaryRelated links Médecins Sans FrontièresChagas information from World Health OrganisationKeyobs s.a.
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