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Vector Borne Diseases
Malaria hits anti-poaching efforts
@vibhavarshney Issue Date: Sep 15, 2011
Describe your study and its findings.
Fever still a mystery
Issue Date: Jul 31, 2011
A mystery fever is stalking children in Bihar’s Muzaffarpur district. As many as 47 children succumbed to the disease by June 29. Seventy-nine others, admitted in the two government hospitals in the district, were either undergoing treatment or had been discharged after treatment.
Mosquitoes befuddled
Issue Date: Jul 15, 2011
MOSQUITOES rely on chemical cues such as smell of human breath, sweat and skin to get to a potential prey. This olfactory pathway has spawned several research papers. The latest comes from scientists led by Anandasankar Ray from the University of California, USA. They have discovered chemicals which can prevent mosquitoes from seeking a blood-meal. Mated female mosquitoes seek human blood before laying eggs. This blood meal is essential for the development of mosquito offsprings.
Infect the mosquitoes
Issue Date: Jun 30, 2011
BACTERIA could be the new hero in the fight against the spread of malaria. Researchers at the John Hopkins Bloomberg School of Public Health in the US have demonstrated how two different bacteria can halt the growth of Plasmodium falciparum, the parasite that causes malaria.
On dengue trail
Issue Date: Feb 28, 2011
DISEASES like dengue and yellow fever are transmitted by the mosquito Aedes aegypti. The mosquito originated in sub-Saharan Africa, where some of its populations still breed in forests and feed on animals. Many of its populations, however, have evolved to thrive in human habitats in and outside Africa. It is unclear whether the global populations of Aedes aegypti are a result of a single or multiple domestications, that is, acclimatisation of the mosquito in human surroundings. But a group of scientists seem to have found the answer.
Divide and rule
Issue Date: Dec 15, 2010
MALARIA-CARRYING mosquitoes, which kill two million people each year, are evolving faster than expected. This can pose a challenge to eradication programmes currently under way to rid the world of the blood parasite.
Nature’s mosquito repellent
Issue Date: Sep 15, 2010
BIOLOGISTS have just woken up to the presence of chemicals that can dictate the egg-laying preferences of a mosquito. A whiff of the chemical can make a gravid insect avoid a water pool.
Light pollution spreads diseases
Issue Date: Sep 15, 2010
How does artificial light affect insects?
The strong illumination of artificial light attracts insects.
Malaria kills 21 in Mumbai
Issue Date: Aug 31, 2010
MALARIA incidence has more than trebled in Mumbai this year even as the civic authorities launched a special drive to control it.
Project nose
Issue Date: Mar 15, 2010
When it comes to the Anopheles mosquito, the beleaguered infectious disease specialists will try any idea to achieve a breakthrough. From developing more powerful insecticides that the pests seem to shrug off to targeting their newborns, scientists have tried almost everything. Yet, the 2009 World Malaria Report of who put half of the world’s population at risk of malaria.
