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Global Malaria News

New framework helps gauge impact of mosquito control programs

Science Daily - May 30, 2019 - 19:42
Effective methods of controlling mosquito populations are needed to help lower the worldwide burden of mosquito-borne diseases including Zika, chikungunya, and dengue. Now, researchers have described a new statistical framework that can be used to assess mosquito control programs over broad time and space scales.

Transgenic fungus rapidly killed malaria mosquitoes in West African study

Science Daily - May 30, 2019 - 18:15
Researchers describe the first trial outside the laboratory of a transgenic approach to combating malaria. The study shows that a naturally occurring fungus engineered to deliver a toxin to mosquitoes safely reduced mosquito populations by more than 99% in a screen-enclosed, simulated village setting in Burkina Faso, West Africa.

Egg yolk precursor protein regulates mosquitoes' attraction to humans

Science Daily - May 9, 2019 - 18:27
Feeding mosquitoes sugar makes them less attracted to humans, a response that is regulated by the protein vitellogenin, according to a new study.

Fifteen years of mosquito data implicate species most likely to transmit West Nile virus in Iowa

Science Daily - May 2, 2019 - 20:16
A study which analyzed 15 years of mosquito surveillance data shows Iowa's western counties experience a higher abundance of the species thought to most commonly carry West Nile virus. Culex tarsalis, the mosquito species most often implicated in West Nile transmission, usually becomes most active in early September. The data support similar findings in Nebraska and South Dakota.

Seeking better detection for chronic malaria

Science Daily - May 2, 2019 - 15:35
In people with chronic malaria, certain metabolic systems in the blood change to support a long-term host-parasite relationship, a finding that is key to eventually developing better detection, treatment and eradication of the disease, according to new research.

Significant delays in West Nile virus reporting

Science Daily - April 26, 2019 - 15:06
Researchers found significant delays in reporting human cases of West Nile virus, hampering real-time forecasting of the potentially deadly mosquito-borne disease.

Dengue mosquito is Queensland's biggest threat for spreading Zika virus

Science Daily - April 23, 2019 - 15:40
Researchers have found that the dengue fever mosquito common to north and central Queensland poses the greatest danger of spreading the Zika virus in Australia. The researchers showed that not only was the dengue mosquito effective at transmitting Zika, the virus was also in the mosquitoes' reproductive organs. This finding suggests that Zika could persist in mosquito populations by females passing it to their offspring.

Sugar entering the brain during septic shock causes memory loss

Science Daily - April 22, 2019 - 19:10
The loss of memory and cognitive function known to afflict survivors of septic shock is the result of a sugar that is released into the blood stream and enters the brain during the life-threatening condition.

Identifying regions that would most benefit from an innovative strategy against malaria

Science Daily - April 9, 2019 - 12:32
A new analysis identifies African regions where ivermectin administration to livestock would have the greatest impact on malaria transmission. The results point to West Africa, below the Sahel, where malaria prevalence is very high.

Capturing mosquito waste could speed up virus detection

Science Daily - April 4, 2019 - 14:43
Public health officials could soon be able to detect viruses in mosquitoes in the wild much more quickly and easily -- thanks to the insect equivalent of a urine test. A new study shows that two kinds of commonly used mosquito traps can be readily modified to collect mosquito excreta, or liquid waste droplets, to be tested for signs of viruses.

Modelled climate change impact on mosquito-borne virus transmission

Science Daily - March 28, 2019 - 19:08
Mosquito-borne viruses, such as dengue, chikungunya, and Zika, already threaten over a billion people globally. A study predicts that climate change and rising global temperatures will lead to both increased and new exposures to humans of diseases carried by mosquito vectors Aedes aegypti and Ae. albopictus.

How mosquitoes smell human sweat (and new ways to stop them)

Science Daily - March 28, 2019 - 15:25
Female mosquitoes are known to rely on an array of sensory information to find people to bite, picking up on carbon dioxide, body odor, heat, moisture, and visual cues. Now researchers have discovered how mosquitoes pick up on acidic volatiles found in human sweat.

Control of mosquito-borne diseases

Science Daily - March 26, 2019 - 15:28
Researchers have developed an innovative method for analyzing the genome of the Wolbachia bacterium. This endosymbiotic bacterium infects more than 70 percent of insects and is capable of influencing insect transmission of pathogens such as dengue or Zika virus.

Neglected diseases continue to require attention despite progress

Science Daily - March 21, 2019 - 17:03
Few novel drugs have been developed to treat neglected diseases in recent decades, Brazilian researchers warn.

Protecting homes with netting window screens can reduce malaria parasite infection

Science Daily - March 21, 2019 - 14:28
Protecting houses against mosquitoes with netting window screens can suppress malaria vector populations and dramatically reduce human parasite infection prevalence, according to new research.

Potential new combination treatment for pancreatic cancer

Science Daily - March 20, 2019 - 20:49
Researchers have identified a possible new therapeutic strategy using two types of drug inhibitors at once to treat one of the world's deadliest cancers.

New mobile element found in mosquito parasite has potential for disease control

Science Daily - March 20, 2019 - 18:10
An interdisciplinary team of scientists has identified a new mobile DNA element in the Wolbachia parasite, which may contribute to improved control strategies for mosquito vectors of diseases such as Dengue and West Nile virus.

Anti-malarial shows promise in human clinical study

Science Daily - March 11, 2019 - 17:31
An experimental drug, called DSM265, cured seven volunteers of a Plasmodium falciparum infection, a malaria parasite that is a major cause of morbidity and mortality worldwide. The goal of this research is to find a cure for malaria with a single dose, and ultimately, eradicate the parasite.

Protection from Zika virus may lie in a protein derived from mosquitoes

Science Daily - March 11, 2019 - 16:53
By targeting a protein found in the saliva of mosquitoes that transmit Zika virus, investigators reduced Zika infection in mice. The finding demonstrates how researchers might develop a vaccine against Zika and similar mosquito-borne viruses, the study authors said.

A quick path to antimalarial resistance

Science Daily - March 4, 2019 - 15:54
Resistance to antimalarial drugs is thought to result mainly from changes in the parasite's genome. However, P. falciparum can also develop resistance to some antimalarial compounds by epigenetic changes, according to a new study. This is of concern because resistance acquired at the epigenetic level can arise quickly, even during the course of a single infection.

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