How did the bacteria get into the swimming pool

Summer is coming, and Labor Day (the first Monday in September) weekend is just around the corner. People will flock to the beach and swimming pool to enjoy the last outdoor coolness in late summer. When most people rush into cold water, they rarely think of swimming microorganisms in the water. But for health, it is best to think about these microorganisms and how they were brought into the swimming pool.

Charles Gerba, a microbiologist at Arizona State University, said, "Cryptosporidium, an opportunistic protozoan that causes zoonoses, can infect more than 240 people, including humans. Animals, which cause the body to produce various degrees of digestive and respiratory symptoms) are one of the most common pathogenic bacteria in water and the most important problem in swimming pools. " He spent decades studying the spread of germs. Cryptosporidium is a tiny parasite with a hard shell that can survive for several days even in a chlorinated swimming pool.

If a swimmer drinks water contaminated with Cryptosporidium, it will cause frequent diarrhea for a long time. Another key question is how Cryptosporidium enters the water. Jagba said, "It is only possible that people bring these germs into the swimming pool, such as sweat, sunscreen, and even urine. There are also unexpected situations, such as random defecation (AFR, accidental fecal releases). It often happens to young children.

The above situation is not the only way to contaminate the water body. Research by Jagba 10 years ago shows that swimmers will naturally excrete 0.14 grams of feces. Another study of him showed that when swimming in a relaxed state, the swimmer would excrete 50 ml of urine and sweat every hour.

Although Cryptosporidium outbreaks in swimming pools are not a new phenomenon, earlier this month and late July, a region in central Idaho reported 21 Cryptosporidium incidents within 10 days. According to the National Department of Health (CDHD, According to the Central District Health Department, there are usually 10 Cryptosporidium incidents in the area each year.

In general, as long as the swimming pool is well maintained, it will not pose a great risk to healthy people, and there are ways to reduce the number of cryptosporidium in the swimming pool. One of the methods is that when swimming, the children's parents often take the children to the toilet and check the baby's diapers. The US Centers for Disease Control and Prevention also recommends that swimmers wash themselves thoroughly with soap before entering the pool. At the same time, before entering the pool, swimmers should also take a look at the sanitation of the water. If you cannot see the bottom of the pool, or there are bubbles on the edge of the pool, maybe you should consider another place to swim.

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