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Coronavirus is not transmitted by mosquitoes, study shows

Washington, July 19

Scientists have confirmed for the primary time that the novel coronavirus behind the COVID-19 pandemic can’t be transmitted to folks by mosquitoes, a discovering that provides proof to WHO’s declare that the illness is just not mosquito-borne. 

The analysis, revealed within the journal Scientific Studies, offered the primary experimental proof on the capability of SARS-CoV-2, the virus that causes COVID-19 illness, to contaminate and be transmitted by mosquitoes.

“Right here we offer the primary experimental information to research the capability of SARS-CoV-2 to contaminate and be transmitted by mosquitoes,” the research famous.

“Whereas the World Well being Group (WHO) has definitively acknowledged that mosquitoes can’t transmit the virus, our research is the primary to offer conclusive information supporting the idea,” stated Stephen Higgs, a co-author of the analysis from Kansas State College within the US.

In line with the research, carried out on the college’s Biosecurity Analysis Institute, the virus is unable to duplicate in three frequent and extensively distributed species of mosquitoes—Aedes aegypti, Aedes albopictus and Culex quinquefasciatus, and therefore can’t be transmitted to people.

Samples collected by the scientists inside two hours of inoculation in mosquitoes confirmed environment friendly supply of infectious viruses to those bugs. 

Nonetheless, based mostly on the shortage of detectable infectious virus in any of the 277 samples collected in any respect time factors past 24 hours post-inoculation, the scientists stated SARS-CoV-2 can’t replicate in mosquitoes. 

“Even when a mosquito consumed an individual with virus within the blood, the mosquito wouldn’t be a vector if feeding on a naive host,” they concluded.

“We reveal that even underneath excessive situations, SARS-CoV-2 virus is unable to duplicate in these mosquitoes and subsequently can’t be transmitted to folks even within the unlikely occasion {that a} mosquito fed upon a viremic host,” the scientists wrote within the research. PTI 

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