Global warming may help limit the spread of dengue fever | Biological control against dengue.

Global warming may help limit the spread of dengue fever | Biological control against dengue.

Global warming may help limit the spread of dengue fever, but it may also reduce the effect of the bacterium that is used to prevent viral transmission in mosquitoes. This is stated in a study report published on Thursday in the journal ‘PLOS Uncollected Tropical Diseases’. The study found that dengue virus infection makes mosquitoes more vulnerable to warmer temperatures. Researchers also found that it was recently used as a biological control against dengue.

 Global warming may help limit the spread of dengue fever.

Global warming may help limit the spread of dengue fever, but it may also reduce the effect of the bacterium that is used to prevent viral transmission in mosquitoes.

This is stated in a study report published on Thursday in the journal ‘PLOS Uncollected Tropical Diseases’.

The study found that dengue virus infection makes mosquitoes more vulnerable to warmer temperatures.

The researchers also found that the bacterium ‘Wolbachia’, recently used as a biological control against dengue, also increased the insect’s thermal sensitivity.

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It is noteworthy that dengue fever is caused by the virus spread by the bite of the mosquito ‘Aedes aegypti’. This disease is fatal for which no specific treatment is available yet.

This mosquito (Aedes aegypti) is also responsible for many diseases caused by the virus, such as Zika, chikungunya and yellow fever,” said Professor Elizabeth McGraw from Pennsylvania State University in the US.

In recent years, researchers around the world have attempted to control these viruses by infecting Aedes aegypti mosquitoes with the bacterium Wolbachia and then releasing them into the environment.

The bacterium ‘Wolbachia’ has been helpful in preventing various viruses, including dengue.

The bacterium ‘Wolbachia’ has been helpful in preventing various viruses, including dengue, from multiplying in the body of mosquitoes.

McGraw said that both the dengue virus and the Wolbachia bacterium infect various tissues in the mosquito’s body and, although not toxic, elicit an immune-suppression response.

Since mosquitoes infected with dengue and Wolbachia are already experiencing a stress response, we thought they would be less able to deal with an added stressor like heat,” he said.

Dengue virus developed a greater sensitivity to heat.

The researchers placed infected mosquitoes in sealed vials and then placed these vials in water heated to 42 °C. They then tried to find out how long it took the mosquitoes to become immobile and then compared this with the time taken by non-infected mosquitoes to become immobile.

The team found that mosquitoes infected with the dengue virus developed a greater sensitivity to heat. They became ‘sedentary’ at about three times more speed than non-infected mosquitoes. Similarly, mosquitoes infected with the Wolbachia bacterium became ‘immobilized’ at four times more speed than non-infected mosquitoes.

Global warming may help limit the spread of dengue fever | Biological control against dengue.

Subsequently, the researchers concluded that global warming could help limit the spread of dengue fever but also reduce the effect of the bacterium that is used to prevent viral transmission in mosquitoes.