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What to Do if There’s a Disinfectant Shortage in Your Area

Health + Wellness
What to Do if There’s a Disinfectant Shortage in Your Area
Consumers looking to buy disinfectant sprays and wipes may be out of luck for a while. eldinhoid / Getty Images

By Nancy Schimelpfening

Consumers looking to buy disinfectant sprays and wipes may be out of luck for a while.



Thanks to the COVID-19 pandemic, we've seen a large surge in demand for disinfectants and other cleaning products over the past few months.

In an interview with Healthline, Cliff Welborn, PhD, professor of supply chain management at Middle Tennessee State University, cited statistics from research firm Nielsen indicating that sales of spray disinfectants were up 520 percent over the same time last year.

In addition, sales of multipurpose cleaners were up almost 250 percent.

However, Welborn said manufacturers are having a difficult time keeping up with the rise in demand, leading to shortages for consumers.

Why Disinfectants Are in Short Supply

Prior to the pandemic, demand for disinfectants was fairly stable, with only small increases seen during flu season.

Production facilities were equipped to handle the normally expected demand.

However, people's fears about the virus sparked panic buying and hoarding.

"This was not a huge industry before the spike in demand," said Welborn. "There was not a great deal of excess capacity in the production process."

In addition — according to Scott Grawe, PhD, chair of the department of supply chain management at Iowa State University — companies don't tend to keep a lot of stock on hand. Storing it is expensive and it keeps costs down if they don't stockpile it.

As a result, manufacturers are struggling to keep up.

Grawe said an additional problem is that as more disinfectant products become available, suppliers upstream from retailers must decide where to send them first.

Often, they end up going directly to healthcare facilities and industrial customers first due to their greater need for larger quantities of product.

What Manufacturers Are Doing to Remedy the Situation

Grawe said one of the things that manufacturers may be doing to increase the supply of disinfectants is to look for nontraditional suppliers of ingredients.

For example, quite a few distilleries have stepped in to make hand sanitizer for their local communities.

Also, manufacturers may be temporarily curtailing their production of more profitable products in order to focus on their customers' increased need for disinfectants.

Welborn said another strategy manufacturers may be employing is to limit the number of different products they're making. This increases their efficiency and enables them to increase output.

He also noted that the U.S. Environmental Protection Agency is expanding its list of approved disinfectants, adding 91 new products in the month of April.

How Long Can We Expect Shortages to Exist?

"This is a tough question," said Grawe.

Firms want to catch up to demand and replenish their inventory, he said.

However, they're also likely to be cautious that they don't flood the market.

Demand will at some point return to a steady level, although it's unclear whether it will return to the same level as before or whether there will be a new, elevated "normal," he said.

As new sectors of the economy open up, there will probably be an increase in demand for disinfectants. This may lead to regional shortages for a period of time.

Grawe said, however, that he expects supply and demand to balance out after most closed businesses have reopened.

What You Can Do in the Meantime

Julie Fischer, PhD, associate research professor of microbiology and immunology at Georgetown University, said as long as you have access to soap and water you can do an effective job at eliminating SARS-CoV-2 from your hands.

No special soap is needed, she said. Any bar or liquid soap will work.

Just wash your hands vigorously for 20 seconds.

If you don't have access to soap and water, hand sanitizers are a good substitute.

With commercial products being in short supply, Fischer noted that many people have turned to making homemade hand sanitizers using either isopropyl alcohol (rubbing alcohol) or ethanol (liquor) mixed with aloe vera.

The important thing to keep in mind with many recipes found on the internet, she said, is making certain they yield the correct concentration of alcohol.

The U.S. Centers for Disease Control and Prevention (CDC) recommendsTrusted Source a concentration of greater than 60 percent ethanol or 70 percent isopropyl alcohol.

Many home recipes fall short of these recommendations, Fischer said. You'll want to double check the math on any recipe you use.

For the disinfection of surfaces within your home, Fischer said diluted household bleach works well.

Make sure it's household bleach, not a bleach alternative such as color-safe or chlorine-free bleach.

Dilute it using 1/3 cup of bleach per gallon of water (or 4 teaspoons per quart).

Allow the bleach solution to sit on the surface for at least 10 minutes and re-wet if it dries out more quickly than that.

Diluted bleach should be discarded within 24 hours and kept in an opaque container since it degrades and becomes ineffective fairly quickly.

Fischer said a solution containing at least 70 percent alcohol diluted in water is also a good option for disinfecting surfaces.

Use a spray bottle to apply it and leave it on the surface for at least 30 seconds before wiping it away to allow time for it to inactivate the virus.

Fischer cautions that both bleach and alcohol can be drying to your skin, so wear gloves to protect your hands.

Use these disinfectants in well-ventilated areas.

Also, you should use only water to dilute bleach. Other cleaning products may interact with it to release dangerous vapors.

Finally, she added, you should rinse the surfaces afterward with water to remove any remaining residue.

The Bottom Line

The COVID-19 pandemic has created a large increase in demand for spray disinfectants and wipes, leading to shortages.

Although manufacturers are currently struggling to adjust, supply and demand will eventually balance out, probably once businesses have reopened.

Alternatives to spray disinfectants and wipes — such as good handwashing techniques and bleach or alcohol solutions — can help fill the void until adequate supplies of these products become available again.

Reposted with permission from Healthline. For detailed source information, please view the original article on Healthline.

A net-casting ogre-faced spider. CBG Photography Group, Centre for Biodiversity Genomics / CC BY-SA 3.0

Just in time for Halloween, scientists at Cornell University have published some frightening research, especially if you're an insect!

The ghoulishly named ogre-faced spider can "hear" with its legs and use that ability to catch insects flying behind it, the study published in Current Biology Thursday concluded.

"Spiders are sensitive to airborne sound," Cornell professor emeritus Dr. Charles Walcott, who was not involved with the study, told the Cornell Chronicle. "That's the big message really."

The net-casting, ogre-faced spider (Deinopis spinosa) has a unique hunting strategy, as study coauthor Cornell University postdoctoral researcher Jay Stafstrom explained in a video.

They hunt only at night using a special kind of web: an A-shaped frame made from non-sticky silk that supports a fuzzy rectangle that they hold with their front forelegs and use to trap prey.

They do this in two ways. In a maneuver called a "forward strike," they pounce down on prey moving beneath them on the ground. This is enabled by their large eyes — the biggest of any spider. These eyes give them 2,000 times the night vision that we have, Science explained.

But the spiders can also perform a move called the "backward strike," Stafstrom explained, in which they reach their legs behind them and catch insects flying through the air.

"So here comes a flying bug and somehow the spider gets information on the sound direction and its distance. The spiders time the 200-millisecond leap if the fly is within its capture zone – much like an over-the-shoulder catch. The spider gets its prey. They're accurate," coauthor Ronald Hoy, the D & D Joslovitz Merksamer Professor in the Department of Neurobiology and Behavior in the College of Arts and Sciences, told the Cornell Chronicle.

What the researchers wanted to understand was how the spiders could tell what was moving behind them when they have no ears.

It isn't a question of peripheral vision. In a 2016 study, the same team blindfolded the spiders and sent them out to hunt, Science explained. This prevented the spiders from making their forward strikes, but they were still able to catch prey using the backwards strike. The researchers thought the spiders were "hearing" their prey with the sensors on the tips of their legs. All spiders have these sensors, but scientists had previously thought they were only able to detect vibrations through surfaces, not sounds in the air.

To test how well the ogre-faced spiders could actually hear, the researchers conducted a two-part experiment.

First, they inserted electrodes into removed spider legs and into the brains of intact spiders. They put the spiders and the legs into a vibration-proof booth and played sounds from two meters (approximately 6.5 feet) away. The spiders and the legs responded to sounds from 100 hertz to 10,000 hertz.

Next, they played the five sounds that had triggered the biggest response to 25 spiders in the wild and 51 spiders in the lab. More than half the spiders did the "backward strike" move when they heard sounds that have a lower frequency similar to insect wing beats. When the higher frequency sounds were played, the spiders did not move. This suggests the higher frequencies may mimic the sounds of predators like birds.

University of Cincinnati spider behavioral ecologist George Uetz told Science that the results were a "surprise" that indicated science has much to learn about spiders as a whole. Because all spiders have these receptors on their legs, it is possible that all spiders can hear. This theory was first put forward by Walcott 60 years ago, but was dismissed at the time, according to the Cornell Chronicle. But studies of other spiders have turned up further evidence since. A 2016 study found that a kind of jumping spider can pick up sonic vibrations in the air.

"We don't know diddly about spiders," Uetz told Science. "They are much more complex than people ever thought they were."

Learning more provides scientists with an opportunity to study their sensory abilities in order to improve technology like bio-sensors, directional microphones and visual processing algorithms, Stafstrom told CNN.

Hoy agreed.

"The point is any understudied, underappreciated group has fascinating lives, even a yucky spider, and we can learn something from it," he told CNN.

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