Pfizer Pharmaceuticals in the United States recently stated that after clinical testing, Fubitai vaccine is safe for children aged 5 to 11 and can produce high levels of antibodies.
The Director of the Infection and Infectious Diseases Center of the University of Hong Kong, He Boliang, said in a radio program today (23) that the relevant data has not been published in scientific journals and the sample is only 2,200 children. He said that there are not enough data to approve injections for children aged 5 to 11 in Hong Kong.
In addition, the Ocean Park Water Park recently opened, requiring players to wear masks between using the facilities.
He Boliang pointed out that if the player does not wear a mask, the risk of the virus being transmitted through the air is greater. If there are infected people indoors, it will pose a risk of transmission.
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He Boliang said that the relevant data of Pfizer Pharmaceuticals has not been published in scientific journals, and the sample is only 2,200 children, so the arrangement of data is limited.
He explained that many people are concerned about the risk of myocarditis in young people after being vaccinated with Fubital. However, there are only more than 2,000 people who have data. It is frankly that there are not enough data to approve injections for children aged 5 to 11 in Hong Kong.
He Boliang also pointed out that according to research conducted by Pfizer, the neutralizing antibody levels of children aged 5 to 11 are similar to those of 16 to 25 years old after being vaccinated. However, the preventive effect of the vaccine has not been announced, but according to one of the important approvals of the World Health Organization The standard of a vaccine is not just about antibody levels.
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Low risk of transmission of chlorine disinfection in water park pool water
In addition, the Ocean Park Water Park recently opened. The water park stipulates that visitors from one facility to another must wear a mask.
Asked if there is a risk of transmission, He Boliang said that the water park has referenced the current swimming pool arrangements and has a limit on the number of people.
However, if the player does not wear a mask, the risk of the virus being transmitted through the air is greater, and if there are infected people indoors, it will pose a risk of transmission.
However, some of the water parks are outdoors. If there is good air circulation, even if you don't wear a mask, the risk will be lower.
As for the risk of water transmission, He Boliang said that the swimming pool water will be disinfected with chlorine gas, and the risk of transmission should be low. Moreover, the pool water is large and has a diluting effect. Even if someone is diagnosed, the water pollution virus should be less.
However, he said that if the mask is wet, the effectiveness of preventing the virus will be greatly reduced, so it should be replaced.
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