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The positive cases of 15 in two schools in Hangzhou were both infected for the first time. What happened?
The positive cases of 15 in two schools in Hangzhou were both infected for the first time. What happened?

Two schools in Hangzhou 15 positive cases! It's the first infection! What's going on here? What are the precautions for preventing COVID-19 in schools? The following are the 15 positive cases of two schools in Hangzhou that I compiled for you. It's the first infection. If you like, please collect and share!

What are the positive cases of 15 in two schools in Hangzhou?

Recently, the news that there are COVID-19-positive students in schools in Hangzhou, Zhejiang Province has aroused concern. On February 20th, 2023, the Education Bureau of Xihu District, Hangzhou issued the Notice on the suspension of classes for many positive students in a primary school in Xihu District as a response.

According to the previous news of Hangzhou Daily, on the evening of February 19, a notice from the parents of Class 2 (3) in a public primary school in Xihu District was circulated among many parents in Hangzhou. According to the notice, according to the decision of the superior documents, classes will be suspended for four days from February 20 to 23 (Monday to Thursday), and students who have no physical symptoms and have negative antigen or nucleic acid tests will return to school on February 24. The reporter asked the relevant person in charge or parents of the primary school for this news.

In this regard, the Xihu District Education Bureau reported that after investigation, the school received an application for Monday leave from Class 2 (3) on February 19 (Sunday), and by that night 18, a total of 10 students in the class had fever symptoms, and their home antigens were positive, which was initially considered as COVID-19 infection. The school reported to the CDC and issued a notice to suspend classes for 4 days according to the Class B and Class B disposal plans. After receiving the report, the District Prevention and Control Office immediately organized the District Education Bureau and the District CDC to jointly carry out investigation and disposal.

According to the circular, all the students who were tested positive for antigen by epidemiological investigation had no previous infection history in COVID-19, which was the first infection. At present, their symptoms are stable and their mental state is good.

According to the report of Hangzhou Daily on February 20th, the reporter learned from Hangzhou Epidemic Prevention and Control Headquarters that the current infection situation involves three schools in Hangzhou, namely a primary school in Xihu District (a total of 10 cases, all of which were infected for the first time in COVID-19); A middle school in Gongshu District (5 cases in total, all infected for the first time in COVID-19). In addition, a primary school in Shangcheng District 12 students developed fever symptoms, which was determined to be influenza aggregation transmission.

According to the report, the above three schools have temporarily adjusted the teaching courses involving classes according to the corresponding plans. The relevant person in charge of the epidemic prevention and control headquarters in Hangzhou said that it is normal for several students in individual schools and classes in Hangzhou to be infected with COVID-19 (all for the first time), which does not mean the beginning of a new wave of epidemic. In addition, at present, H 1N 1 and norovirus infections have also entered a multiple-occurrence period. Even if the child has symptoms such as fever, it is not necessarily caused by COVID-19. Parents are advised to help their children do antigen testing as soon as possible.

According to "Operational Guidelines for Prevention and Control of novel coronavirus Infection in Schools" issued by the State Council Joint Prevention and Control Mechanism in June 5438+ 10, 2023, primary and secondary schools take classes as the unit. After the infected persons appear, the school will report to the local county (district) education administrative department at the first time, and the education administrative department will propose and implement prevention and control measures together with the health and disease control departments. When the proportion of infected people is relatively large, you can stop offline classes and implement class placement or grade online teaching. After the outbreak is lifted, universities, vocational colleges, primary and secondary schools should restore normal education and teaching order in time, and kindergartens should resume opening in time.

The Guide to Prevention and Control also clarifies that primary and secondary schools and kindergartens should set up health observation rooms for teachers and students to provide temporary observation for teachers and students with fever and other symptoms, and guide parents to safely care for students and children to go home. Primary and secondary schools and kindergartens strengthen the construction of health rooms (health rooms), fully staffed with professionals, strengthened professional training of employees, equipped with necessary medical facilities, equipment and medicines, and assumed the responsibilities of popularizing epidemic prevention knowledge and emergency treatment of students' illness.

Preventive measures to prevent COVID-19 in schools.

1. Students with conditions should use public transport as little as possible and go to and from school by private car, bicycle or on foot as appropriate.

2. If you have to take public transportation, you need to wear a mask all the time, try to avoid touching things on the car with your hands, and wash your hands in time after getting off.

When you go to the classroom, try to take the stairs.

4. Wash your hands carefully according to the seven-step washing method after touching the public plane that people often touch, such as elevator buttons and door handles.

Wash your hands carefully before and after meals.

6. When you are not sure whether your hands are clean, don't touch your mouth, pick your nose or rub your eyes.

7. If you need to sneeze or cough, try to avoid others and cover your mouth and nose with a paper towel or elbow.

8. Don't eat takeout, try to bring your own tableware to avoid multi-person dinner.

9. Don't get together to study or play after class or after school.

10. If you find any discomfort such as fever or cough during school, you should immediately report to the teacher and seek medical treatment or isolation as soon as possible.

What are the manifestations of COVID-19's positive symptoms?

Positive COVID-19 symptoms refer to the symptoms of patients infected with novel coronavirus. Common symptoms are fever, dry cough and fatigue, but the symptoms are not specific. We can't judge whether novel coronavirus is infected by clinical symptoms alone, but we need COVID-19 nucleic acid test to make it clear.

The infection in novel coronavirus is mainly caused by Omicron mutant. Although the transmission ability is strong, the pathogenicity is relatively weakened, and most of them are asymptomatic infections or mild cases. When novel coronavirus enters the body, he will flow all over the body with the blood, thus triggering the self-protection mechanism of the human body and causing fever. If it invades the mucosa of the throat and nasal cavity, it will cause congestion and edema, and there will be discomfort symptoms such as dry throat, sore throat, dry cough and stuffy nose.

Some patients continue to have fever, muscles can not carry out aerobic breathing, and lactic acid will be produced locally, resulting in symptoms such as soreness and fatigue. The above discomfort symptoms may appear on the second and third days after onset, and the nucleic acid test is likely to turn negative on the sixth and seventh days after onset. During the illness, it may be accompanied by symptoms such as decreased or disappeared sense of smell and taste, diarrhea and conjunctivitis.

However, the above symptoms are generally suitable for ordinary young people, and the course of disease is about 7 days. Because the individual differences are not exactly the same, the clinical symptoms of people vaccinated and immunized may be relatively mild and the course of disease may be short. Treatment is generally isolated at home. However, if there are basic diseases or the elderly and infirm, the condition may be relatively complicated. If you have dyspnea, wheezing and other uncomfortable symptoms, it is recommended to improve the CT examination of the lungs to determine whether there is lung infection.