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Rural Areas Bear Higher Burden Of Dengue Fever, Study Shows

“In dengue-endemic areas such as South-East Asia, in contrast to conventional thinking, rural areas rather than cities may bear the highest burden of dengue fever,” according to a study led by Wolf-Peter Schmidt from the Nagasaki Institute of Tropical Medicine in Japan and published in this week’s PLoS Medicine, a PLoS press release states. The authors “analyzed a population in Kanh-Hoa Province in south-central Vietnam (~350,000 people) that was affected by two dengue epidemics between January 2005 and June 2008” and “found that at low human population densities, mostly in rural areas, dengue risk is up to three times higher than in cities, presumably because the number of mosquitoes per individual is higher in low-density areas,” according to the release (8/30).

Injecting Mosquitoes With Bacterium Shows Potential For Dengue Elimination, Scientists Report

Injecting mosquitoes with the Wolbachia bacterium “can block them from transmitting the dengue virus and help control the spread of a disease that kills 20,000 annually in more than 100 countries,” a team led by Scott O’Neill, a geneticist at the University of Queensland in Brisbane, reports in two papers published in Nature on Thursday, Reuters reports. The “researchers in Australia showed how female mosquitoes infected with the Wolbachia bacteria passed the bug easily to their offspring, making them all dengue-free,” according to the news agency (Lyn, 8/24).

Washington Post Examines History, Future Of Mosquito Control Efforts

The Washington Post looks at the history and future of disease-carrying mosquitoes, “the most deadly non-human animal on the planet.” The newspaper describes several mosquito-control methods, and poses the question, “If scientists could find a way to wipe out all mosquitoes – recent studies have shown that it may be possible to chemically sterilize males and dupe the females into mating with them – would that be a good idea?” (Palmer, 8/15).

Software Uses Twitter To Track Dengue Outbreaks In Brazil

The New Scientist reports on a software program that is being used “to identify a high correlation between the time and place where people tweet they have dengue and the official statistics for where the disease appears each season.”

ASEAN Members Sign New Action Plan To Fight Dengue

Members of the Association of Southeast Asian Nations (ASEAN) on Wednesday as part of an event marking ASEAN Dengue Day signed a new action plan aimed at fighting dengue in the region, the Jakarta Post reports.

ASEAN Region Recognizes First Dengue Day To Raise Awareness

The Association of Southeast Asian Nations (ASEAN) and the World Health Organization (WHO) at the launch of Dengue Day on Wednesday called on all sectors of society to unite in the battle against the disease, which has developed into a formidable threat to health in Asia, a press statement said,” Xinhua reports.

Dengue Vaccine Could Be Available In Four Years

A vaccine against the mosquito-borne infection dengue, the first to reach the final stage of clinical testing, “has seen ‘very promising’ results in Thailand, a specialist involved in the tests said on Friday,” Reuters reports (Petty/Mahlich, 6/10).

Google Launches Dengue Trends Tool To Track Outbreaks

“Google has launched Dengue Trends, a tool that aims to detect dengue fever outbreaks around the world using the same methodology behind Google Flu Trends,” PC Magazine reports (Yin, 5/31).