High temperatures favor the proliferation of the disease, however, what happens when it’s cold?
Dengue: what happens to the mosquito when it’s cold
The World Health Organization (WHO) has warned that dengue fever and other mosquito-borne diseases are spreading much further and further under the effect of climate change.
Until not long ago, for Argentines dengue was on the list of rare and distant diseases. However, once the effects of global warming began to be seen in our country, some things ceased to be alien. And this summer was particularly very hot, with temperatures close to 40°.
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In recent years, the climate in Argentina began to become tropical and the mosquito that transmits the dengue virus found here a perfect place to grow, live and bite.
Dengue: what happens with the mosquito during cold days
The drop in temperature brings hope, but specialists clarify that the dengue mosquito continues to exist, even in the cold. This means that variations in temperature do not imply that the mosquito disappears, and that is why the tasks of deboning and cleaning containers must be done throughout the year.
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“Although during the cold months adult mosquitoes reduce their activity, if they are inside a house they benefit from the temperature inside. Only at very low temperatures do the adults die but the eggs are capable of surviving through the winter”, explains the Ministry of Health of the Nation.
Studies carried out by Conicet researchers also verified that Aedes aegypti eggs are capable of surviving up to a year without water and also resist low temperatures.