Notice!This year's influenza season has arrived in advance compared to previous years, Hunan Disease Control Release reminder

Zhang Chunxiang, a reporter from Hunan Daily, Zhang Chunxiang, Zeng Xun Liu Yan, Zhang Hengjiao

Recently, the surveillance of influenza whistle in Hunan Province showed that patients with influenza -like symptoms of medical institutions increased, and the positive rate of influenza virus continued to rise, reminding that the province had entered the peak of the summer influenza popularity. Remind the public to prevent prevention.

Experts say that flu is different from ordinary colds. It is an acute respiratory infectious disease caused by influenza virus infection. The main symptoms are high fever, headache, sore throat, muscle soreness, etc. A gathering epidemic is prone to occur.

What is the recent influenza popular situation?

According to data from the 24th issue of the National Influenza Center in 2022, this year's influenza has been earlier than before. At present, the overall level of influenza in the southern province is close to the winter peak of the previous season. In some provinces entering the high incidence in the summer, mainly A (H3N2) subtype influenza virus;

June 13-19 (week 24) The monitoring data of influenza whistle in our province shows that influenza-like cases account for 9.0%of the total number of emergency cases, indicating that 9 of the average 100 outpatient cases are more than 38 ° C. People with influenza symptoms such as cough or sore throat, and the positive rate of influenza virus detected in the influenza -like case specimen has continued to rise, all exceeding the same period of the year, reminding that our province has entered the peak of the summer influenza popularity. The surveillance results of influenza pathogens show that the current influenza virus surgery strains in our province are type A (H3N2) subtype.

What are the reasons for the recent influenza active

First, compared with type B influenza infection and pathogenicity, type A influenza is strong, which can easily lead to high intensity and large -scale popularity; second, research shows that there are two types of influenza in southern my country. In this peak, the whistle monitoring shows that the previous influenza epidemic period has the influenza in our province. At present, our province has entered the summer epidemic season; the third is that the advantages change the strains. Since 2020, the seasonal influenza activities in our province are mainly influenza B VICTORIA. The immunity of the population has declined with the immune level of influenza viruses in type A (H3N2), and the crowd is susceptible to increase.

What kind of people are easier to influenza

Influenza virus is susceptible to all people, but elderly people over 65 years old, children under 5 years old, people with basic diseases (chronic respiratory diseases, cardiovascular system diseases, kidney disease, liver disease, etc.), obesity except for pure hypertension, and obesity The crowd (weight index> 30) and the risk of severe illness after infection of pregnant women are higher.

Experts said that inoculation of influenza vaccine is the most effective means to prevent influenza, which can significantly reduce the risk of influenza and severe complications. According to the monitoring data of the National Influenza Center, the current popular virus is well matched with the influenza vaccine on the market. It is recommended that the general public actively vaccinate flu vaccines. Especially elderly people 60 and above, children from June to 5 years old, pregnant women, family members of children under June, and key groups such as childcare personnel, chronic disease patients and medical staff should be vaccinated as soon as possible.

How to choose a flu vaccine

Vaccination of flu vaccines is the most effective prevention method, which can reduce the risk of inoculating the influenza and severe complications. Influenza vaccines that have been approved in my country are: three -valent vaccine, four -valent vaccine, three -valent vaccine (nasal injection type). Among them, the three -valent vaccine components contain the Victoria system of H1N1 subtype, H3N2 subtype, and type B virus in H1N1. Priority recommendation.

What preventive measures should be taken to prevent influenza

Maintaining good personal hygiene habits is an important means to prevent respiratory infectious diseases such as influenza. The main measures include: to wash hands, keep the environment clean and ventilate, minimize the activity of crowded places in the influenza season, avoid contact with patients with respiratory infections; ensure ventilation ventilation Number of times (more than three times a day), no less than 15 minutes at a time, pay attention to indoor and outdoor temperature differences when opening the window;

Balanced diet, appropriate exercise, sufficient rest to avoid excessive fatigue;

Maintain a good habit of hygiene in the respiratory tract. When coughing or sneezing, cover your mouth or nose with upper arms or paper towels, towels, etc., and wash your hands after coughing or sneezing, try to avoid touching your eyes, nose or mouth;

Symptoms of influenza should pay attention to rest and self -isolation. You need to wear masks to public places or during medical treatment;

It is found that there are symptoms similar to influenza, and you should seek medical treatment as soon as possible, especially children, elders and patients with chronic diseases.

How to prevent and control the school and childcare institutions

The level of influenza activity has risen, and the risk of influenza outbreaks occurred in dense places such as schools, childcare institutions and other people. Actively do a good job of vaccination of influenza vaccines for children and adolescents, and increasing influenza vaccination rate is the key to preventing the outline of schools and childcare institutions. Schools and child care institutions should inform parents to bring students or children to the residential community service center (township health center) in accordance with the principles of informedness and voluntary principles.

Schools and child care institutions should also pay attention to the following points:

(1) Do a good job of morning, noon, and evening inspection. When students who find symptoms of influenza such as fever, cough, sore throat, should be notified to take students to take medical treatment or go home to rest in time. After the body temperature returns to normal, other influenza -like symptoms disappear for 48 hours before returning to school.

(2) Implement the system of absenteeism and cause registration and tracking system.The school should follow the follow -up follow -up of students who ask for sick leave, understand the situation of the students and register.(3) Do a good job of school environmental hygiene and cleaning and disinfection.Strengthen the hygiene and ventilation of learning, work, and living places to maintain air circulation.There is sufficient faucet with a toilet with a toilet.Clean disinfection of classrooms, dormitories, school bus, etc.

(4) Carry out publicity and education.By widely publicized the knowledge of influenza prevention through campus broadcasting, propaganda columns, and parent WeChat groups, educate students to develop good personal hygiene habits, strengthen physical exercise, balanced diet, ensure sleep, and enhance personal resistance.

(5) Report in time.When the school flu -like cases have increased significantly, reports should be reported to the local community health service center and the centers of the disease control centers in a timely manner.

[Responsible editor: Wang Yaobing]

[Source: Hunan Daily]

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