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Two aquatic athletes have been diagnosed with COVID-19 and have given up the competition. It seems that the infection rate of COVID-19 in China is rising, and it is not quiet abroad either. The Olympic Games are crowded with people, and the risk of infection is very high. So why are swimmers the first to be diagnosed? Is swimming easy to spread COVID-19? Can it spread other diseases? Let's do some popular science.

The main transmission routes of the new coronavirus are droplet transmission, contact transmission and aerosol transmission. The temperature in swimming venues is low and the virus survives for a long time. If there are viruses in the water, they are more likely to come into contact with the mucous membranes of the mouth, nose, eyes and other parts of the body, causing infection. In addition, swimming venues are rich in water vapor, and the virus can easily flow with the help of water vapor aerosols. Therefore, swimming pools, seafood markets and other places with low temperatures and high moisture content are prone to the new coronavirus.

In addition to the new coronavirus, some other common respiratory diseases are also easily transmitted in swimming pools, such as mycoplasma pneumonia and conjunctivitis caused by viruses, which are also easily transmitted in swimming pools. Therefore, it is best to use eye drops after swimming to reduce the risk of infection.