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The pool water smells of disinfectant. It has this sickening and antiseptic aroma that discourages you and rebadures you that someone has designed this water plan so that you can swim there. It contains chlorine – it must be clean. Just feel it .
But unfortunately, our liberal use of chlorine in swimming pools does not protect people (and not everyone who pisses here helps them). If anything, you are more likely to get sick of pathogens in the pool water than a natural water plan. This is apparent from two recent Centers for Disease Control (CDC) studies on treated and untreated "recreational waters."
CDCs generally monitor outbreaks like these – caused by pathogens – but have begun to monitor infections more closely because of the growing danger posed by chlorine-tolerant bedbugs. CDC researchers have noted that they are now the leading cause of the outbreak. An "outbreak", in case you're wondering, is defined as two or more people contracting a similar illness from the same place and time of exposure. There were 493 outbreaks caused by recreational waters treated from 2000 to 2014 (from a swimming pool, a hot tub, a spa or an aquatic playground ), resulting in 27,219 cases and eight deaths. Eight deaths .
During this same period, there were only 140 outbreaks of untreated water such as lakes or rivers or oceans and 4,958 cases of disease attributable to these outbreaks. Two people died.
Without knowing exactly how many Americans have visited treated or untreated water sites, we can not know if that means that swimming pools are inherently more dangerous than lakes. There are some rough estimates – a statistical summary from the US Census Bureau indicates that the total number of visits is 301 million – but it is almost impossible to get accurate numbers. CDC researchers note that they probably do not even get a specific number of diseases because it depends on reporting this information to the CDC itself. We can know that there are approximately 309,000 public pools and 10.4 million residential pools, but tracking the exact number of visits to each river, lake, ocean, pool, spa and spa would be a huge undertaking.
many more people seem to get sick in hotels than on beaches.
Which does not mean that you should drink unfiltered natural water (or "raw water", as the people of Silicon Valley call it). The water in the streams and lakes can contain chemicals such as pesticides that seep into the surrounding lands, as well as bacteria from the animal feces that get into the water. find in and around the water. That is why we first established the Safe Drinking Water Act – because drinking water poses a significant risk to public health if it is not not properly sanitized.
Although the types of infections a common point: shit. Shit man. Most pathogens causing problems are transmitted by the fecal-oral route, which means that an infected person swims in water and that the bug pbades from anus to water. and then someone else swallows that water or inhales aerosolized droplets. For example, about 80 percent of the diseases contracted from treated water were caused by Cryptosporidium a parasite that lives in the intestines of animals and spreads by spreading excrement into the sources of # 39; water. The diseases of untreated water were more varied, but the main culprits still tended to come from poo. Norovirus was the largest contributor, about 30 percent of all cases, and this spread through vomit and faeces. The most common bacterial infection, Shigella spreads by diarrhea
Chlorine can control many other pathogens that have made people sick of pools and spas, but Crypto the water for more than a week. This allows the parasite to spread easily to anyone swimming in that water, then to anyone swimming in the water that all those other infected people are swimming. This is how outbreaks occur.
If you, like me, are now anxious to swim in a public place, the best thing to do is to avoid the hotels (and especially the hotel's hot tubs). 32% of households came from hotels, and about 40% of them were badociated with spas or spas. And it was just for epidemics where the CDC could identify the pathogenic cause. Of the unidentified homes, half came from hotels. The combination of hot water and many people from many places is a problem, especially if the staff does not chlorinate their water properly. Public parks rank second with 23% of outbreaks, followed by 14% in clubs or recreational facilities
Avoiding epidemics is as simple as avoiding public pools, which is simple but can to be not easy. The summer is hot. The pools are cooling down. For many people, the local swimming hole is both the main social activity and the best way to stay away from the heat in July and August. In addition to being a responsible person or parent by not allowing anyone to swim who has had diarrhea recently, the CDC recommends another option: get test strips. Supply and hardware stores often contain test strips for pools that determine the level of chlorine and pH. They are lightweight and portable, so you can store them in your pool bag and get in the habit of testing the water. If the pool does not have enough chlorine, report it to the staff. You can also try to check the location inspection score – there is an online list here that links to state and county resources.
If you are lucky enough to live near an ocean, a river or a lake. Any water with lots of humans swimming there is probably full of potential pathogens, but at least in a larger water scheme, you have the benefit of dilution. All pathogens from pee and shit will be distributed in a much larger volume, which will make it less likely to ingest parasites or bacteria. And if you have to go to a hotel pool, stay at least from the hot tub.
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