Tag Archives: mosquito

An equal and opposite reaction

Seems like a great idea – the widespread use of insecticide coate bednets to cut the spread of malaria by mosquitoes (mostly active at night). Unfortunately nature is rarely that simple. Widespread use has driven mosquitoes to evolve resistance to … Continue reading

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Genetically engineered mosquitos resist dengue fever virus

Dengue has represented a significant public health burden for a number of decades. Given the lack of dengue-specific drugs and limited availability of licensed vaccine, new methods for prevention and control are urgently needed. Researchers investigated whether genetic manipulation of … Continue reading

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Repeated infection with malaria makes mosquitoes more dangerous

In malaria-endemic regions, humans are often infected repeatedly with the Plasmodium parasite, and the consequences of such multiple infections are under intense study. In contrast, little is known about possible co-infection and its consequences in the Anopheles mosquitoes that transmit … Continue reading

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Mosquitoes infected with Wolbachia more likely to transmit West Nile virus

Mosquitoes infected with the bacteria Wolbachia are more likely to become infected with West Nile virus and to transmit the virus to humans. Continue reading

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A Virus Bottleneck

Every year I get excitied and rant at my virology students about how amazing it is that a virus can have more than more host, i.e. for viruses which undergo propagative transmission, replicating in both the “host” and the “vector”. … Continue reading

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This week's Wednesday Wolbachia

Infection of mosquitos with Wolbachia bacteria can significantly reduce levels of the human malaria parasite Plasmodium falciparum. Continue reading

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Human movements and disease transmission

To control mosquito-borne diseases like dengue fever, researchers need to look at the behavior of people, not just the insect that transmits the disease. Vector-borne diseases constitute a largely neglected and enormous burden on public health in many resource-challenged environments, … Continue reading

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Midges and the emergence of bluetongue virus in northern Europe

Bluetongue is a disease of ruminants caused by Bluetongue virus (BTV) and it is transmitted by biting midges. In sheep, clinical signs of BTV infection can include fever, vasodilation, swelling and, in severe cases, death, although the severity of symptoms … Continue reading

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Dengue virus infection activates the unfolded protein response

Dengue fever and Dengue hemorrhagic fever have emerged as some of the most important mosquito-borne virus diseases in the tropics. No effective vaccine or antiviral drug therapy is currently available against Dengue viruses and the mechanisms of pathogenesis in Dengue … Continue reading

Posted in Biology, Emerging disease, Health, Immunology, Medicine, Microbiology, Science, Virology | Tagged , , , , , , , , , , , , , | 1 Comment