Disinfectant tunnel at Singapore Expo care facility on trial for safety, effectiveness against COVID-19 – CNA

SINGAPORE: A disinfectant tunnel for staff and volunteers on the Singapore Expo group care facility is being trialled for security and effectiveness in opposition to COVID-19.

This sanitiser mist system is one technique being examined at varied areas to assist Singapore combat the coronavirus, the Temasek Basis advised CNA on Friday (Could 22).

READ: third particular person in public healthcare who works at Singapore Expo group care facility contracts COVID-19

The tunnel makes use of a non-toxic and non-flammable disinfectant, the inspiration mentioned, including that person suggestions has been optimistic.

“People working at locations with COVID-19 sufferers or areas with important COVID-19 outbreaks, face a larger danger of COVID-19 an infection, by way of interactions with sufferers and call with fomites or contaminated surfaces within the atmosphere,” it mentioned.

“One potential resolution to assist present an added layer of safety is the Clear Lane sanitiser mist system.”

The Singapore Expo group care facility is housing 1000’s of COVID-19 sufferers with gentle or no signs, and people who are recovering or have been discharged from hospital.

Earlier than deciding on trial prototypes, Temasek Basis mentioned it studied varied choices and analysis literature to judge the security and effectiveness of mist techniques.

READ: Life on the Singapore Expo: A COVID-19 affected person shares his expertise in a group isolation facility

This comes after the World Well being Group mentioned in an interim steerage report final Friday that spraying people with disinfectants, similar to in a tunnel, cupboard, or chamber, “isn’t beneficial underneath any circumstances”.

“This might be bodily and psychologically dangerous and wouldn’t scale back an contaminated particular person’s skill to unfold the virus by way of droplets or contact,” the report mentioned. 

“Furthermore, spraying people with chlorine and different poisonous chemical substances may lead to eye and pores and skin irritation, bronchospasm because of inhalation, and gastrointestinal results similar to nausea and vomiting.”

Spraying or fumigation of out of doors areas are additionally not beneficial to kill COVID-19 or different pathogens as a result of the “disinfectant is inactivated by grime and particles and it isn’t possible to manually clear and take away all natural matter from such areas”.


These working on the Expo have the choice of attempting out totally different variants of the Clear Lane prototypes, however should adjust to strict security measures together with utilizing protecting eyewear, Temasek Basis mentioned.

Its mist system makes use of a non-toxic, zero-alcohol and non-flammable disinfectant, primarily based on 0.1 per cent Benzalkonium Chloride (BKC) “that has been discovered to be efficient in opposition to germs together with coronaviruses”, the inspiration added.

READ: COVID-19: SAF medical personnel deployed at Singapore Expo group isolation facility

Temasek Basis mentioned it’s nonetheless doing literature research on different options, however has dominated out extremely flammable alcohol-based disinfectants like excessive focus ethanol or isopropanol.

“Corrosive and probably harmful resolution similar to bleach-based disinfectants have additionally been dominated out,” it added.

The inspiration mentioned preliminary person suggestions has been optimistic, noting that customers see it as an added safety on high of measures like washing arms and carrying masks.

“In different phrases, they don’t have a false sense of safety with using these ancillary services,” it said.


Primarily based on the trial outcomes, the inspiration is working with native analysis and academic institutes to evaluate if the Clear Lane system is secure and efficient in lowering microbial load, from micro organism to non-enveloped viruses.

“Research on eye security and different points are in progress,” it mentioned.

It should evaluate the security and efficacy information along with analysis and operational companions at every stage of the trials.

This can make sure the Clear Lane system meets all security necessities for customers earlier than a call is made on the “finest manner and type issue” for deployment.

“We are going to proceed to refine and enhance our options with information validation and will probably be completely happy to discover all choices or inputs from all events,” it added.

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