12th May 2021  Product update: rapidvirology staff writer

Mosquito Abatement Centre in Louisiana Use Isothermal Test for West Nile Virus Detection

As the US moves into the summer months, the temperature rise coincides with the proliferation of mosquitos carrying the West Nile Virus (WNV), and residents in high-risk areas are reminded of the dangers from infection, and most importantly, the precautionary measures they can take. 

If a human is bitten by a WNV carrying mosquito, the virus can affect the central nervous system, with 1 in 150 people who get infected developing a serious illness and 1 in 10 of those cases being fatal.

In January of 2021, the US CDC said that in 2020, forty-four states had reported WNV cases in mosquitoes, birds, and humans. There were 557 cases of WNV disease in people, and of these, 422 (76%) were classified as neuroinvasive disease (such as meningitis or encephalitis), and 135 (24%) were classified as a non-neuroinvasive disease.

Data from CDC's arboviral surveillance system, ArboNET, shows California to have the highest number of cases, followed by its neighboring southern states, i.e., Texas, Louisiana, and Mississippi. 

As there is no vaccine or specific antiviral treatment for WNV, state health departments rely on viral testing of mosquitos along with control spray to curb the spread of the virus. 

Pro-Lab Diagnostic’s Pro-AmpRT West Nile Virus Detection Assay has been evaluated for detection of WNV in mosquitoes and birds by the CDC, as well as vector control and public health laboratories. 

Presently, at the Tangipahoa Mosquito Abatement new laboratory in Louisiana, supplemental routine West Nile virus testing is being carried out using ProAmpRT.

This procedure enables them to test mosquitoes within a few hours instead of waiting for up to 7-10 days for results from the outsourced laboratory.

The process takes less than two hours from preparing the samples to when the results are available. Results are in agreement with the "gold standard" of PCR at a 100% match.

Daniel Portillo, Technical Advisor at Pro-Lab Diagnostics, said: "With collaboration with the CDC and other entities across the US, we are actively providing a fast, reliable, and efficient process to detect such arbovirus including WNV, EEE, SLE, Dengue, and much more."

"Our complete setup fills in a solution to have Mosquito Abatement sites actively test, have results in minutes (not days), and if a positive is found - be active in reducing the spread that same day. Tangipahoa has been able to proactively reduce WNV spread within their peak season and reduce any possible community infections that affect the public," said Daniel.

Please contact Pro-Lab Diagnostics for further information. 



Date Published: 12th May 2021

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Note: This content has been edited by a rapidvirology.com staff writer for style and content.

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