Scientists in the US found that the Temples of the Egyptiansknown as the dengue transmitting mosquitois capable of adapting to the temperatures in its “local environment” in the middle of climate changeand thus optimize their performance when transmitting diseases.
“The takeaway from our study is that if we want to fully understand transmission at a location and how this might change in the future, we need to study mosquitoes locally and not assume that the way temperature affects transmission at a location necessarily can be extrapolated to all other sites“, stressed the entomologist Matthew Thomas, in statements to EFE.
He Temples of the Egyptians It is one of the most important invasive species globally, responsible for infecting more than 400 million people around the world each year with viruses such as dengue, yellow fever, chikungunya and Zika.
The study, in which the University of Florida participated, examined the thermal adaptation of mosquitoes, a critical aspect that is often overlooked in models that evaluate the impact of climate change on diseases transmitted by these insects.
According to the Invasive Species Scientific Research Institute (ISRI) at the University of Florida, many models do not consider the potential influence of thermal adaptation on mosquitoes and therefore their improved performance, that is, the physical fitness or potential for transmit diseases such as dengue or Zika.
For Thomas, director of the ISRI, what the study suggests is that “mosquitoes can optimize their performance in the immediate local environment amid climate changes“. “This is potentially important because it suggests that if we want to make accurate predictions of the current or future risk of distribution of diseases such as dengue or Zika, we may need to examine mosquito biology at a local level and not simply assume that we can take a model from transmission and extrapolate it in time and space“, accurate. “How this local adaptation might lead to different transmission risk patterns is now the subject of a follow-up study we are just completing.“, he indicated.
He Temples of the Egyptians, Thomas explained, it is generally limited to the tropics and subtropics. The optimal temperature is probably between 25 and 30 degrees Celsius. He noted that its potential to transmit disease will be seen “seriously” affected below 20 degrees Celsius or above approximately 35 degrees Celsius. “On average, as the climate warms, we expect suitable conditions to move further north, potentially allowing mosquitoes to expand their distribution and also potentially increasing the number of months suitable for disease transmission.“, he pointed.
However, conditions could also become too hot, leading to reductions in its distribution elsewhere.
On whether there are cities experiencing an increase in mosquito-borne diseases Temples of the Egyptians Due to their increased comfort levels as a result of temperature changes attributed to climate change, Thomas said more studies are required. However, he noted that the results of the current research, which was published in the journal Global Change Biology, “would suggest that populations can adapt to maximize their fitness in their local environments and we would expect this to influence the risk of transmission“.
*With information from EFE
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2024-03-12 16:14:42