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Improper Pool Maintenance a Contributing Cause in Increase of West Nile Virus Cases

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Improper Pool Maintenance Leading to Increase of West Nile Virus Cases

The West Nile Virus has become a concern in many parts of the United States, with mosquitoes being the primary mode of transmission, according to the U.S. Centers for Disease Control and Prevention (CDC). While it’s easy to underestimate the role that pools and neglected water sources can play in the spread of this virus, understanding the facts about West Nile Virus and its relationship with mosquitoes is crucial. Experts say that neglected pools can help contribute to the spread of West Nile Virus and advise that proper maintenance of swimming pools and standing bodies of water is the best way to mitigate this problem and protect their families.

The West Nile Virus Basics

Before we discuss the connection between neglected pools and the spread of West Nile Virus, it’s essential to understand some key facts about the virus itself. WVN is primarily transmitted to humans through mosquito bites. While many infected individuals may not exhibit any symptoms, some may experience West Nile Fever. However, the real concern lies in the less than 1% of cases that can develop into potentially fatal diseases known as West Nile Encephalitis or West Nile Meningitis. These severe illnesses result in inflammation of the brain or the area around it and require hospitalization.

The Role of Mosquitoes and Standing Water

Mosquitoes, as we know, breed and lay their eggs in standing water. The larvae that hatch from these eggs require microorganisms and detritus (decaying organic matter) to survive and develop into adult mosquitoes. This fact is pivotal in controlling the spread of WVN. To minimize mosquito breeding habitats, the CDC recommends homeowners take action to eliminate standing water sources, such as flower pots, cans, unused tires, pool covers, clogged gutters, and more.

According to the Centers for Disease Control and Prevention (CDC), 43 states have reported cases of WVN infections this year. The states with the highest number of reported cases are Colorado, California, Arizona, Nebraska, and South Dakota, in that order.

West Nile Virus Cases 2023 – Data Provided by CDC

As of last week, CDC data showed that 879 cases have been reported nationwide. Colorado, in particular, is facing the most severe outbreak, contributing over a quarter of the total infections in the U.S., with 243 cases and 11 fatalities. The proliferation of mosquitoes in the state can be attributed to a wet spring and summer.

Rachel Herlihy, an epidemiologist in Colorado, expressed concern over the situation, stating, “The trends we are observing in our West Nile virus tracking data are unprecedented. This season, we have detected the highest number of West Nile virus-infected mosquitoes in years.”

Although the majority of cases are concentrated in the Western and Southwestern regions of the country, officials along the East Coast are also expressing worries about the increasing prevalence of West Nile virus.

A single neglected pool can produce millions of potentially WNV-infected mosquitoes.
A single neglected pool can produce millions of potentially WNV-infected mosquitoes.

Neglected Pools: A Growing Concern

During the Great Recession, a significant number of pools went unmaintained, leading to a sharp uptick in the number of WVN cases reported. Safety experts are once again concerned about the rising number of West Nile Virus cases. In places like Contra Costa County, California, unmaintained swimming pools have been shown to increase the risk of mosquitoes and WVN because they provide a place where thousands of mosquitoes can develop from eggs to biting adults.

Steve Schutz, Ph.D., Scientific Program Manager, emphasizes the importance of this issue, stating, “Neglected (unmaintained or improperly maintained) swimming pools in residential neighborhoods have the potential to produce thousands of mosquitoes that are capable of becoming infected with West Nile Virus, putting the entire neighborhood at risk. That is why it’s so important to maintain swimming pools properly and to report neglected swimming pools to the District to reduce the risk of mosquitoes and West Nile Virus.”

West Nile Virus Prevention Tips for Pool Owners

If you own a swimming pool, you have an opportunity to contribute to the prevention of West Nile Virus (WNV) by taking specific measures to reduce mosquito breeding and exposure. Here are some smart tips to prevent West Nile Virus around your swimming pool:

  1. Maintain Proper Sanitization: Ensure that your pool or spa maintains the appropriate levels of an EPA-registered sanitizer at all times. This helps prevent microorganisms from proliferating in the water, which can serve as a food source for mosquito larvae.
  2. Regular Maintenance: Stay on top of pool maintenance tasks such as brushing, vacuuming, filtration, and backwashing. These actions reduce the availability of organic debris that mosquito larvae need to survive.
  3. Maintain Proper Water Balance: Keep the water chemistry balanced by regularly testing and adjusting pH, chlorine, and other chemical levels. A well-balanced pool is less attractive to mosquitoes.
  4. Eliminate Standing Water: Check your pool area and surroundings for any sources of stagnant water. This includes pool covers, flowerpots, buckets, pet dishes, birdbaths, and any other containers that can collect water. Regularly empty and clean these sources to prevent mosquito breeding.
  5. Pool Covers: If you use a pool cover, make sure it is tightly secured, so it doesn’t collect water. Properly maintain the cover to prevent water from accumulating on its surface.
  6. Regularly Clean Gutters: Clogged gutters can hold stagnant water, providing a perfect breeding ground for mosquitoes. Clean your gutters regularly to eliminate this risk.
  7. Landscaping: Trim bushes and trees around your pool area to reduce shaded areas where mosquitoes may hide during the day. Fewer hiding spots can mean fewer mosquitoes.
  8. Install Mosquito Nets or Screens: Consider installing mosquito nets or screens around your pool area. This can provide a physical barrier to keep mosquitoes out while you and your family enjoy the pool.
  9. Use Mosquito Repellent: When using the pool, especially during peak mosquito activity times (dusk to dawn), use mosquito repellent on exposed skin and clothing to reduce the risk of bites.
  10. Educate Neighbors: Encourage your neighbors to follow similar practices, as mosquito-borne diseases can affect the entire community. Collaborative efforts can be more effective in controlling the mosquito population.
  11. Report Neglected Pools: If you notice abandoned or neglected pools in your neighborhood, report them to your local authorities. Neglected pools can become breeding grounds for mosquitoes and increase the risk of West Nile Virus in the community.

While enjoying the benefits of pools and spas, homeowners should remain vigilant in maintaining proper sanitization and regular upkeep. By following these guidelines, you can create an environment that is less hospitable to mosquito larvae, thereby reducing the risk of WVN transmission. Stay informed and visit the CDC website for additional information on West Nile Virus and other mosquito-borne diseases. Your proactive efforts can help protect your family and contribute to the prevention of this potentially serious health threat.

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Pool News coverage brought to you by Pool Magazine's own Marcus Packer. Marcus Packer is a 20 year pool industry veteran pool builder and pool service technician. In addition to being a swimming pool professional, Marcus has been a writer and long time contributor for Newsweek Magazine's home improvement section and more recently for Florida Travel + Life. Have a story idea or tip you'd like to share with Pool Magazine? Email [email protected] your story idea.

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French Diver Makes Splash After Flop At Opening of Olympic Pool

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French Diver Makes Splash After Flop At Opening of Olympic Pool

French Olympic diver, Alexis Jandard, created a memorable moment at the grand opening of Paris’s new Olympic pool, though not quite in the manner he had envisioned.

A startling video captured during the inauguration of the state-of-the-art Paris Aquatics Center on Thursday showcased the 26-year-old Olympian’s unfortunate landing on his right foot while gearing up to dive alongside two fellow athletes. Adorned in a Speedo reflecting the hues of the French flag, Jandard’s discomforting descent saw him landing on his back, ricocheting off the nearly 10-foot-high dive board, and somersaulting into the pool in a rather ungraceful manner.

The incident unfolded in front of a sizable crowd of onlookers, including French President Emmanuel Macron and various dignitaries. Jandard later displayed his scraped back on his Instagram account, maintaining a light-hearted approach to his embarrassing mishap by quipping, “For your information, my back is fine, but my ego…”

Sharing a photo of his reddened back, courtesy of the encounter with the diving board, on Instagram Stories, Jandard assured followers of his well-being. Speaking to RMC Sport, he recounted the unexpected turn of events, stating, “I’m fine. I didn’t hurt myself; unfortunately, these things happen. It happened at a time when I wasn’t expecting it at all.”

Alexis Jandard injured his back at the inauguration of the new Olympic Pool in Paris. Photo Credit: @alexis_jandard - Instagram
Photo Credit: @alexis_jandard – Instagram

Reflecting on the incident, Jandard humorously noted, “I’ve broken boards before, but the board had never broken me before. Now it has.” Despite the hiccup, he maintained an optimistic outlook, remarking, “I would have preferred this ceremony to have gone well from A to Z. There was that little hitch. If it made people smile a little, so much the better.”

Explaining the mishap, Jandard clarified that his leg gave way upon landing but denied any slippage, emphasizing, “It’s a non-slip [board], and what’s more, the board was new, beautiful, and I think there’s still [some of] my back on the board there.”

With a silver and bronze under his belt at the 2022 and 2023 World Aquatics Championships, respectively, Jandard took the incident in stride, admitting, “It’s a shame, but it’s funny. When you take a step back, it’s funny.”

Looking ahead to the 2024 Paris Games this summer, where he is set to compete, Jandard acknowledged the inevitability of such occurrences in his sport, jesting, “These things happen,” while playfully lamenting, “It had to happen in front of the president and the whole of France. I think we chose the right moment.”

Despite being inundated with supportive messages and playful jabs, Jandard maintained a good-natured stance, urging his followers on Instagram, “Enjoy yourselves, make fun of me. I seriously deserve it!”

4.9/5 - (11 votes)

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Earthquake in Taiwan Causes Waterfall From Rooftop Pool

A massive earthquake in Taiwan transforms a rooftop pool into a waterfall. View viral footage.

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Earthquake in Taiwan Causes Waterfall From Rooftop Pool

In a harrowing turn of events, Taiwan was struck by a powerful 7.4 magnitude earthquake, leaving devastation in its wake. The quake, the strongest to hit the island in 25 years, shook the east coast of Taiwan, particularly affecting the city of Hualien and its surrounding areas. With a depth of 34.8 kilometers, the epicenter of the earthquake was located 18 kilometers south of Hualien, according to the US Geological Survey.

As rescue efforts are underway to free those trapped under rubble and debris, the toll of the disaster continues to rise. At least nine individuals have lost their lives, while over 900 others have sustained injuries. The aftermath of the earthquake has left over 100 buildings damaged, with reports of landslides and collapsed structures adding to the chaos.

The force of the quake was so immense that it caused a surreal sight—a rooftop swimming pool overflowing and cascading down the side of a building, creating an impromptu waterfall. Footage captured during the earthquake also shows the sheer force as a man inside a pool struggles to maintain balance, the water swaying violently from side to side.

Dramatic footage of the earthquake shows a rooftop pool transformed into a waterfall.

The region of Hualien County, with a population of approximately 300,000, faces immense challenges in assessing the full extent of the damage. Many inhabitants reside in remote coastal or mountain communities, making it difficult for rescue teams to reach them promptly. The precarious situation is exacerbated by the expectation of aftershocks, with 29 aftershocks greater than a magnitude of 4.0 already recorded near the epicenter.

Compounding the crisis are reports of miners trapped in two mines in Hualien, adding urgency to the rescue operations. Furthermore, over 91,000 households are grappling with power cuts, amplifying the difficulties faced by residents in the aftermath of the disaster.

Despite the widespread destruction, medical facilities in Taiwan’s capital, Taipei City, are functioning, albeit damaged. The Municipal Government has confirmed that hospitals are operating normally, providing critical care to the injured.

The international community has responded swiftly to the catastrophe, with the Biden administration monitoring the situation closely and expressing readiness to offer assistance. In the face of adversity, Taiwan is rallying its resources and resilience, demonstrating solidarity and resolve in confronting this natural disaster.

As the dust settles and the extent of the damage becomes clearer, questions arise about the effectiveness of early warning detection systems in mitigating the impact of natural disasters. Despite Taiwan’s investment in advanced seismic technology, including early warning systems designed to provide crucial seconds of alert before an earthquake strikes, many residents were caught off guard by the sudden and violent tremors. Reports indicate that the early warning detection system, while operational, did not reach a significant portion of the population in time to take preventive action

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Patent Pending Apple Watch SOS Feature Could Prevent Drownings

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Patent Pending Apple Watch SOS Feature Could Prevent Drownings


A forthcoming feature potentially destined for the Apple Watch, as detailed in a recent patent application, could serve as a lifesaver for swimmers at risk of drowning.

Outlined in the patent is a capability for the Watch to identify “irregular behavior” and automatically trigger a distress call for assistance.

Apple underscores the alarming statistics surrounding drowning, particularly its prevalence among children, as a leading cause of accidental fatalities.

In the United States alone, drowning claims the lives of over 3,500 individuals annually, ranking as the fifth most common form of accidental death. Tragically, a significant portion of these victims are children.

Emphasizing the critical importance of swift intervention during water emergencies, Apple highlights the dire consequences of prolonged submersion without resuscitation, which can result in brain damage and ultimately, drowning.

A Growing Need For Cost-Effective Wearable Solutions

While acknowledging existing underwater camera systems in some swimming pools aimed at detecting distressed swimmers and alerting lifeguards, Apple notes their costliness and unreliability.

Consequently, there’s a pressing need for a simpler, more cost-effective drowning prevention solution suitable for all types of water bodies, including public and private pools, as well as natural settings like lakes and ponds where installing underwater cameras is impractical.

The patent proposes leveraging wearable devices such as the Apple Watch for broader applicability, increased reliability, and the ability to detect various types of emergencies.

Alerting When Swimmers Are In Distress

For instance, if the Watch detects a wearer who is not proficient in swimming entering deeper water, it can promptly dispatch an alert instead of waiting for signs of distress.

These alerts can be transmitted to nearby devices, including those of friends and family, and seamlessly integrate with existing drowning detection and alarm systems to ensure lifeguards are promptly notified.

Apple Watches already boast capabilities to detect and respond to falls, vehicle accidents, and cardiac irregularities. Heartwarming testimonials featured in Apple’s “Dear Apple” video series show individuals whose lives were saved by these functionalities.

As with many patents from Apple, it’s important to note that not all concepts may materialize into actual products. Nonetheless, this innovation stands as a promising addition for potential integration into future watchOS updates.

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