This archive report was first published on 29 July 2019.
July 29, 2019, marked a significant turning point in humanity's battle against mosquitoes. These tiny creatures have been responsible for spreading diseases that claim millions of lives worldwide, particularly in tropical regions. The cycle of symptoms associated with malaria, for instance, can be deadly, especially for children under 5.
However, mosquitoes are not just vectors of malaria. They also transmit a range of viruses, including dengue, West Nile, and Zika, which can have debilitating effects on those infected. Yellow fever, in particular, is a viral exception that can cause severe symptoms, including fever-induced delirium, liver damage, and bleeding from the mouth, nose, and eyes.
With the advent of gene-editing technology like Crispr, scientists are now exploring ways to eradicate mosquitoes altogether. Unveiled in 2012, Crispr allows for the permanent alteration of a genome by snipping out a section of DNA sequencing and replacing it with another one. This innovation has been dubbed the 'extinction machine' due to its potential to wipe out undesirable species.
One potential application of Crispr is the design of mosquitoes that produce infertile offspring. If released into the wild, these mosquitoes could become extinct, effectively eradicating the species. However, this raises important questions about the consequences of such an action. Would other mosquito species or insects simply fill the ecological niche, potentially leading to the spread of other diseases? What effect would eliminating mosquitoes have on the delicate balance of nature?
As Henry Greely, director of the Center for Law and the Biosciences at Stanford University, noted, 'We can remake the biosphere to be what we want, from woolly mammoths to nonbiting mosquitoes.' But the question remains: do we want to live in nature, or in a world where we have manipulated the very fabric of life?
