Wellness

Waste surveillance at just 20 airports could spot the next pandemic

A network of airports such as Hong Kong International Airport can detect diseases effectively

Yueen Man Cheung / Alamy

It can be a global system for early wearing of diseases and even future epidemics with minimal monitoring: Sewage test from a small part of international expatriates in only 20 airports worldwide.

When passengers flies while they are infected with bacteria or viruses, they can leave traces of these diseases in their waste, which airports collect from a plane after the lands of the flight. “If you go to the bathroom on a plane, and if you detonate your nose and put it in the toilet – or if you do all you have to do – there are some opportunities because some genetic materials are pathogens in sewage water,” he says, says, he says Guillaume St-New At the University of North Estrin, Massachusetts.

Use St-new and his colleagues simulation The global epidemic and mobility model is called how to discover expense water control networks at the airport Covid-19. By testing the model using different numbers and locations of airports, they showed that 20 “Sentinel airports” that were placed all over the world can discover the disease outbreaks at the speed and efficiency included in the network of thousands of airports. The largest network was only 20 percent faster but cost much more.

To reveal the threats arising from anywhere in the world, the network must include major international airports in cities such as London, Paris, Dubai and Singapore. But the team also showed how networks that involve a different range of airports can provide a more targeted discovery of diseases that are likely to arise on some continents.

“This modeling study is the first to provide the actual number of guard airports required to support effective global monitoring while improving resource use,” he says. Jiang Lee At the University of Sydney, Australia.

Airport-based networks can also provide useful information about early disease outbreaks during the epidemic, including estimates of the rapid spread of the disease from one person to another and the number of people who are likely to develop one condition, says ST-ONGE.

Deduction water control can provide this early warning of known diseases and may also follow new emerging threats-if the genetic data of bacteria or the virus is available. “I don’t think we will be able to look at the wastewater and say:” There are new pathogens that exist. ” TIMI Ibitoye At the University of Brown, Rod Island. But when new pathogens are announced, you can look very quickly in previous wastewater data and say: “Is this in our sample? “

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A map of Sentinel airports, with colors indicating the duration that this network will take to detect disease outbreaks in different locations all over the world

Northeastern University

There are still some nuances that must be worked on, such as the number of times the waste of waste water to follow the causes of various pathogens. Other challenges include discovering the most effective way to taste wastewater from aircraft and evaluate the world’s realistic effectiveness of the system, he tells me.

She says a long -term monitoring program also requires cooperation from airlines and airports, as well as a fixed source of financing.

Individual airports can hesitate to participate due to the risks of their processes if infectious diseases statistics are widely available-data processing agreements are not able to calm such concerns. Trevor Charles At the University of Waterlo in Canada. He stressed the importance of international financing coordinated to compensate for “local political considerations”.

But even coordination through an international body like the World Health Organization carries its own political complications, given that President Donald Trump started in The withdrawal of the United States from the organizationHe says ibitoye. However, research like this “contributes to its making [the monitoring network] She says that it is sooner and not later. “

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