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News articles on disease

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Mongabay.com news articles on disease in blog format. Updated regularly.

Kihansi spray toad goes extinct in the wild

(11/04/2009) This year's IUCN Red List has updated its assessment of the Kihansi spray toad, moving the species from Critically Endangered to Extinct in the Wild. With that another amphibian species has been lost to a combination of habitat loss and the devastating amphibian disease, the chytrid fungus. The Kihansi spray toad Nectophrynoides asperginis, which still survives in a number of zoos in the United States, had lived on just two hectares along the Kihansi gorge in Tanzania. The toad was specially adapted to the spray region of the Kihansi waterfall, which kept its small environment at a constant temperature and humidity.


Scientists uncover mystery of how frog plague kills its victims

(10/22/2009) One hundred and twenty species of frogs are reported to have gone extinct since 1980 (although the number is likely even higher). While devastated by habitat loss, pollution, and climate change, a baffling disease may be the biggest factor behind the alarming extinctions of frogs. Called chytridiomycosis, the disease is caused by the microscopic fungus Batrachochytrium dendrobatidis which kills its tiny victims indiscriminately.


Saving gorillas by bringing healthcare to local people in Uganda, an interview with Dr. Gladys Kalema-Zikusoka

(09/16/2009) How can bringing healthcare to local villagers in Uganda help save the Critically Endangered mountain gorilla? The answer lies in our genetics, says Dr. Gladys Kalema-Zikusoka, wildlife veterinarian and director of Conservation through Public Health (CTPH). "Because we share 98.4% genetic material with gorillas we can easily transmit diseases to each other." Therefore, explains Kalema-Zikusoka "our efforts to protect the gorillas will always be undermined by the poor public health of the people who they share a habitat with. In order to effectively improve the health of the gorillas we needed to also improve the health of the people, which will not only directly reduced the health threat to gorillas through improvement of public health practices, but also improved community attitudes toward wildlife conservation."


Did malaria come from chimps?

(08/03/2009) Malaria may have jumped from chimpanzees to humans much like AIDS did, report researchers writing in Proceedings of the National Academy of Sciences.


Ebola virus found in pigs

(07/09/2009) A variant of the deadly Ebola virus has turned up in pigs in the Philippines, report researchers writing in the journal Science.


Research into drugs derived from natural products declining

(07/09/2009) Although the majority of drugs available today have been derived from natural products, research into nature-based pharmaceuticals has declined in recent years due to high development costs and the drug approvals process. However this trend is likely to reverse due to new approaches and technologies, according researchers from the University of Alberta.


Madfish?: scientist warns that farmed fish could be a source of mad cow disease

(06/17/2009) In a paper that shows just how strange our modern world has become, Robert P. Friedland, neurologist from the University of Louisville, warns that farmed fish could be at risk of Creutzfeldt Jakob disease, or mad cow disease.


The unknown role of coextinctions in the current extinction crisis

(05/28/2009) Scientists have long recognized ‘coextinctions’ as a major concern when it comes to the current mass extinction crisis. Despite such recognition, however, the role of coextinctions remains largely mysterious and little-studied. A new paper attempts to address this by settling what is known (and unknown) about the phenomenon of coextinctions and where research needs to go next.


After disease engulfs island, rare mountain chicken frogs airlifted to safety

(04/23/2009) In a rescue operation that sounds straight out of an action film, 50 mountain chicken frogs were airlifted from the Caribbean island Montserrat after the discovery of Chytridomycosis, a fungal disease that has wiped out amphibian populations worldwide. Already, hundreds of the critically-endangered mountain chicken frogs succumbed to the disease, which is thought to have made its way to the island in late 2008 or early 2009.


Howler monkeys poisoned because of misinformed link to yellow fever

(04/22/2009) There have been numerous reports of howler monkeys poisoned in the southernmost Brazilian state of Rio Grande do Sul due to misinformation regarding the monkeys and the yellow fever virus. Some locals believed that the monkeys, which also suffer from yellow fever, were in fact the disease-carriers, but yellow fever is carried by mosquitoes not monkeys. A new campaign headed by Dr. Julio Cesar Bicca Marques wants to set the record straight. The campaign, entitled ‘Save Our Guardian Angels’, is working to inform the public of the actual and important role of howler monkeys in yellow fever outbreaks.


Amphibians could develop immunity against devastating fungal disease

(04/03/2009) The fungal disease chytridiomycosis has ravaged amphibian populations, including contributing to several extinctions. But new research may bring some hope for currently threatened amphibians.


Flu epidemic killing bonobos in Congo sanctuary

(03/29/2009) Six bonobos, a species of chimpanzee, have died from a flu epidemic in a month at the Lola Ya Bonobo in the Democratic Republic of Congo (DRC). Ten more have contracted the flu. “There is no fever. Antibiotics don’t do anything. The bonobos have severe respiratory infections and then they can’t breath for 3 days then they die,” writes a staff member on the sanctuary's blog through the conservation organization WildlifeDirect. The staff of Lola Ya Bonobo have sent out a plea for help and donations, as the flu continues to sweep through their center.


'Stopgap’ to preserve US bats from devastating fungus

(03/05/2009) Half a million bats have succumbed to a mysterious fungal disease known as white-nose syndrome in two years. Found in seven states in the northeastern US, this syndrome has left biologists baffled since first discovered in 2006. While researchers are still trying to uncover the relationship of the syndrome to the bats, a recent study published in Frontiers in Ecology and the Environment e-View suggests a way to mitigate the syndrome devastating affect. Employing a mathematical simulation the researchers found that using localized heat sources on hibernating bats may preserve populations while a long-term solution is found.


Infecting mosquitoes with parasite could reduce dengue fever outbreaks

(01/05/2009) With an average of 50 million cases worldwide dengue fever is second only to malaria in terms of concern for mosquito-borne illnesses. Carried primarily by the mosquito species Aedes aegypti, the fever is usually not fatal; however a particular strain of disease can be especially dangerous to children. However, early this year new research brings hope to the tropical areas where dengue fever is prevalent. Scientists have discovered a new possibility in debilitating the mosquitoes carrying dengue fever: the Wolbachia parasite.


A cure for the Tasmanian devil's strange and fatal cancer?

(11/21/2008) Researchers have announced that two Tasmanian devils have survived a cancer devastating their species after receiving inoculations of dead tumor cells, according to the International Herald. However, the inoculations have not worked on every devil – despite being inoculated four devils died from the cancer during the work.


Previously unknown fungus may have triggered mass bat die-offs in the U.S.

(10/30/2008) Researchers have identified the fungus that may have been the culprit in mass dief-offs of bats in the northeastern United States during the winter of 2006-2007. The research is published in this week's issue of Science.


Does logging contribute to AIDS deaths in Africa?

(06/14/2008) Logging activities in tropical Africa may pose hidden health risks to wildlife and humans according to a veterinary pathobiologist speaking at a scientific conference in Paramaribo, Suriname.


Global warming could worsen HIV/AIDS epidemic

(04/30/2008) A number of studies have suggested that climate change could expand the range of tropical diseases like Dengue fever and Encephalitis. Now a researcher from the University of New South Wales (UNSW) in Australia says that global warming could lead to an increase in HIV infection rates worldwide.


Illegal wildlife trade worth $20B/yr

(03/19/2008) The illegal wildlife trade generates $5 to $20 billion annually, making it the largest illicit market after guns and drugs trafficking, reports a study released by the Congressional Research Service.


DEET repellent works by blocking human odor from mosquitoes

(03/13/2008) DEET, a potent insect repellent, works by blocking the aroma of human sweat, report researchers writing in the journal Science. The discovery could lead to the development of new repellents that have fewer health risks.


Global malaria map released - 35% of humanity at risk

(02/25/2008) Researchers have developed a spatial distribution map for malaria. The results are published in Public Library of Science (PLoS) Medicine.


Deforestation, wildlife conflict will be the source of emerging diseases

(02/22/2008) Due to habitat destruction and human-wildlife conflict, the tropics will likely be the next hotspot for emerging infectious diseases, report researchers who have developed the first map of new pathogens.


Plain soap as effective as antibacterial but without the risk

(08/15/2007) Antibacterial soaps show no health benefits over plain soaps and, in fact, may render some common antibiotics less effective, says a University of Michigan public health professor.


Emerging (disease) markets

(08/15/2007) Instead of attacking wild birds for our new disease problems, a far more cost effective approach should focus on keeping wild animals separate in the places where they often commingle: in wildlife markets and international trade, according to wildlife health experts from the Wildlife conservation Society (WCS) and the United Nations' Food and Agriculture Organization (FAO) in a recent issue of the prestigious Journal of Wildlife Diseases.


Clearing rainforest for cattle pasture drives surge in vampires

(08/15/2007) A new study confirms that vampire bats are thriving due to the clearing of rainforest for cattle pasture in Costa Rica. Instead of having to seek out scarce wildlife in the forest, vampire bats now prey on cattle kept in high densities on ranches.


As wealthy get dengue fever, drug companies more likely to act

(08/15/2007) As dengue fever increasingly becomes a disease of the affluent -- especially in Asia -- drug companies are showing more interest in developing treatment, reports a new article published in the journal Nature.

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