Summary of prevention and control work on hand, foot and mouth disease in 2019
Hand, foot and mouth disease is an infectious disease caused by a variety of enteroviruses and is a common disease in infants and children. It is characterized by fever and rash or herpes in the hands, feet, mouth and other parts. A small number of patients may be complicated by aseptic meningitis, encephalitis, acute flaccid paralysis, respiratory infections and myocarditis. Individual severely ill children progress rapidly and are prone to death. Children and adults do not develop symptoms after infection, but can spread the virus. Enteroviruses are highly contagious and can easily cause outbreaks or epidemics. In order to further strengthen the prevention and control of hand, foot and mouth disease, timely grasp the epidemic situation and epidemic law of hand, foot and mouth disease in our city, and provide scientific basis for formulating prevention and control strategies and measures. In 2019, according to the Ministry of Health 's Guide to Prevention and Control of Hand, Foot and Mouth Disease, Prevention and control work, the prevention and control work in 2019 is summarized as follows:
I. Overview of the epidemic situation in the city
Analysis of the epidemic situation in 2019
1. Regional distribution
In 2019, Changde City reported a total of 4,785 cases of hand, foot and mouth, with an incidence rate of 83.63/100,000, an increase of 84.65% compared with 2019. 12 cases of severe cases were reported, and no deaths were reported. In addition to the West Dongting District, the city has reported cases in 12 other counties and cities. The top five reported cases were Dingcheng District, Qixian County, Wuling District, Shimen, and Anxiang County. The cumulative number of cases in the above five counties accounted for 71.45% of the total number of cases in the city.
Table 1 Comparison of the incidence of hand, foot and mouth disease in Changde City from 2010 to 2019 2019 2019County area
Number of cases Incidence rate Number of deaths mortality rate Number of cases Incidence rate Number of deaths mortality rateTotal
2588 45.29 5 0.19% 4785 83.63 0 -Wuling District
457 101.30 1 0.22% 638 141.15 0 -Dingcheng District
383 50.00 0 - 815 105.23 0 -Anxiang County
322 59.1 1 0.31% 568 104.03 0 -Hanshou County
156 21.63 0 - 331 45.75 0 -Ji County
237 28.92 0 - 779 95.08 0 -Linyi County
104 25.32 0 - 451 109.74 0 -Taoyuan County
645 70.14 2 0.31% 342 37.19 0 -Shimen County
156 23.33 1 0.64% 619 92.56 0 -Tsu City
55 23.16 0 - 119 50.23 0 -Deshan Development Zone
44 57.09 0 - 96 124.25 0 -West Lake Management District
4 9.18 0 - twenty two 50.40 0 -West Dongting District
twenty two 55.80 0 - - - 0 -Hejiashan District
1 9.55 0 - 3 28.92 0 -Unknown county
2 - 0 - 2 - 0 -Note: incidence rate
2, time distribution
Since the inclusion of the report on the management of Class C infectious diseases in May 2019, there have been monthly case reports. In March 2019, the number of cases began to increase. In April, the incidence reached a peak of 1,347 cases, accounting for 28.15% of the total number of cases in the year. The incidence gradually declined in May, and the incidence remained low at August-December, roughly the same as last year. Compared with the peak of the incidence in 2019 in May, the peak incidence of this year is about one month earlier, as shown in Figure 1.
3. Occupational distribution
Among the 4,785 cases, mainly scattered children, 1257 children were enrolled and 141 were students. The other occupations are shown in Table 2.
Table 2 Occupational incidence of hand, foot and mouth cases in Changde City in 2019 Career Number of cases Number of deaths Morbidity ratio Child care 1257 0 26.27 Scattered children 3369 0 70.41 student 141 0 2.95 teacher 1 0 0.02 worker 1 0 0.02 Migrant worker 1 0 0.02 Farmer 4 0 0.08 Cadre staff 1 0 0.02 Unknown 7 0 0.15 other 3 0 0.06 total 4785 0 1004, gender, age distribution
Of the 4785 patients, 3020 were males and 1765 were females, with a male-female ratio of 1.71:1. The maximum age is 59 years old, and the minimum age is 8 days after birth; the cases are mainly concentrated in children aged 0 to 4 years old, a total of 4339 cases, as shown in Table 3.
Table 3 Age and gender incidence of hand, foot and mouth disease in Changde City in 2019
age male Female Subtotal Composition ratio 0- 318 183 501 10.47 1- 605 352 957 20.00 2- 865 525 1390 29.05 3- 606 363 969 20.25 4- 342 180 522 10.91 5- 154 82 236 4.93 6- 58 26 84 1.76 7- twenty two 9 31 0.65 8- 8 10 18 0.38 9- 9 6 15 0.31 10- 27 twenty three 50 1.04 15- 6 6 12 0.25 total 3020 1765 4785 100.00Aggregate case outbreak
In 2019, the city reported a total of 119 epidemic cases of hand-foot-mouth disease cluster disease, with 428 cases reported, accounting for 8.94% of the total number of cases. The time is mainly concentrated in March-April 2019, with the largest number in Ganyu County, and 120 cases were reported, accounting for 28.04%. See Table 4 for details.
Table 4 Statistics on the epidemic situation of hand-foot-mouth disease clustering cases in Changde City in 2019 County area Number of epidemics Total case The proportion Wuling District 14 85 19.86 Dingcheng District 19 67 15.65 Anxiang County 12 33 7.71 34 120 28.04 Shimen County 19 70 16.36 Hanshou County 7 15 3.50 Taoyuan County 5 11 2.57 Tsu City 4 10 2.34 Linyi County 3 10 2.34 Deshan District 1 5 1.17 West Lake District 1 2 0.47 Total 119 428 100.00Severe and death cases
In 2019, 12 cases of severe cases of hand, foot and mouth disease were reported in the city, all of which have been cured, and no deaths have been reported. The regional distribution is 5 cases in Dingcheng District, 3 cases in Wuling District, 2 cases in Hanshou County, and 1 case in Anxiang County and Linyi County. Among the 12 severe cases, there were 7 males and 5 females with a male-female ratio of 1.4:1. The occupational distribution was mainly scattered children, 10 cases were followed, followed by 2 children with child care; the age of onset was 0-3 years old. Among the group of children, the children in the 1 year old group had the most children, and the incidence was 7 cases, followed by the children in the 0-year-old and 3-year-old groups, and the 2-year-old group was the least. Sampling tests were performed on 12 severe cases, and 8 positive samples were detected. The positive rate was 66.67%, including: 4 for ev71, 3 for coxa16, and 1 for ev.
Laboratory test results
In 2019, 86 samples of hand, foot and mouth disease were collected, 86 were detected, and 55 were positive. The positive rate was 63.95%, including 10 ev71, 27 coxa16, and 18 ev. table 5.
Table 5 Statistical Table of Hand, Foot and Mouth Disease Detection in Counties and Cities in Changde City in 2019 County area Number of samples Positive number Positive rate Ev71 Coxa16 Ev Wuling District 29 twenty two 75.86 3 13 6 Anxiang County 16 16 100.00 5 9 2 Tsu City 5 4 80.00 0 3 1 5 1 20.00 0 1 0 Taoyuan County 2 0 0.00 0 0 0 Dingcheng District 10 4 40.00 0 0 4 Hanshou County 7 2 28.57 2 0 0 Linyi County 3 2 66.67 0 1 1 Shimen County 9 4 44.44 0 0 4 Total 86 55 63.95 10 27 18 Second, the characteristics of the epidemic1. The incidence rate has increased by 84.65% compared with last year, with a large increase. The main reasons are as follows: First, hand, foot and mouth disease has been included in the report management of Class C infectious diseases since May last year. From January to April 2019, there were no reports of hand, foot and mouth in the city, and 1863 in January 2019. example. Second, some doctors have inaccurately grasped the diagnostic criteria for foot and mouth disease. Through the expert group of our center, they went to the county and Shimen County People's Hospitals where the incidence was more serious. It is believed that one third of the cases are at the critical line, and some cases are only One red dot or one pimples, which is diagnosed as hand, foot and mouth disease, was reported as one of the reasons for the sharp increase in the epidemic in March-April. Second, there is no strict isolation of cases. The cases were mainly concentrated in child care institutions, and no strict isolation measures were found after the first case, resulting in cross infection of young children. Third, health education work is not in place. The staff of the child care institutions and the guardians of the kindergartens lack the knowledge of prevention of foot and mouth disease, and the lack of preventive measures is also a factor that can not be ignored in the rise of the epidemic.
2, the peak incidence is concentrated in April to May, through the comparison of the epidemiological monitoring data, indicating that the trend of epidemics in 2019 and 2019 is consistent, the epidemic period of hand, foot and mouth disease in our city is from March to July, which is the epidemic season of enterovirus. , in line with the epidemic characteristics of the disease. This year, through the retraining of the knowledge of hand, foot and mouth disease prevention and treatment of health professional technicians, the timeliness and accuracy of case diagnosis and report were improved, and the ability of case treatment was strengthened. The proportion of critically ill patients was greatly reduced, and no deaths occurred.
3, the incidence is extensive, but mainly based on sporadic. In addition to the West Dongting District, the city has reported cases in 12 other counties and cities. In addition, a total of 428 cases of cluster cases were reported this year, accounting for only 8.94% of the total number of cases.
4, the incidence of infants and young children. The patients were mainly concentrated in infants and young children in the 0 to 4 age group, with a total of 4,339 cases; the cases were the largest in scattered children, reaching 3,369 cases, followed by 1257 children and 141 students.
5, laboratory test results show that coxa16 enterovirus became the dominant pathogen of hand, foot and mouth disease in our city in 2019, and the ev71 type was mainly prevalent in 2019, but the virus type detected in severe cases was still mainly ev71 type. .
Third, the implementation of prevention and control work
Since March this year, under the correct leadership of the municipal party committee, the municipal government and the higher-level health administrative department, the city's health system has responded quickly, effectively responded, and scientifically prevented, and has done a lot of work:
1. Rapid deployment was arranged. On March 13, the Municipal Health Bureau convened the city's disease prevention and control work conference, and deployed and arranged prevention and control of key infectious diseases such as foot and mouth disease.
2. Increase the network inspection and active monitoring of the opponent's foot-and-mouth disease epidemic, and resolutely achieve early detection, early reporting, early isolation, and early treatment. In particular, when clustering cases and outbreaks occur, timely feedback to the relevant counties and cities, guide the counties and cities to carry out relevant investigations and take measures to control the epidemic.
3. Pay close attention to the epidemic situation of hand, foot and mouth disease in key parts such as child care institutions and small schools. Conduct epidemiological investigations on cluster cases, outbreaks and severe cases in time, and collect specimens for pathogen detection.
4. Strengthened business guidance and supervision. On March 26, the Municipal CDC issued the Standing Disease Control Letter [2010] No. 6 "Notice on Effectively Strengthening the Prevention and Control of Hand, Foot and Mouth Disease"; on April 3, it also forwarded Hunan Disease Control [2010] No. 35 Notice on Further Strengthening the Monitoring and Prevention of Hand, Foot and Mouth Diseases. On April 7th, the Municipal Center for Disease Control and Prevention sent experts to the high-risk areas such as Qixian and Shimen to supervise the prevention and control of hand, foot and mouth disease. On April 8, Comrade Zheng Jiahuo personally led some experts to go to Shimen, Qixian, Anxiang and other places to enter the ward, visit patients, hold symposiums, investigate and guide the prevention and control of hand, foot and mouth disease. On April 9th, the deputy director of the Municipal Disease Control Center Zhou Yingyu led the killing and killing personnel to carry out prevention and control supervision in 6 kindergartens in the urban area, and instructed the kindergarten to disinfect the work.
5. Using hand-made leaflets, TV interviews, newspaper introductions and other forms to carry out health education on hand, foot and mouth disease, and publicize the knowledge of hand, foot and mouth disease prevention and control to the general public.
Fourth, work advice
1. Further standardize the diagnosis and treatment of cases and strictly report the epidemic situation. Medical institutions at all levels shall, in accordance with the requirements of the Ministry of Health's "Technical Guidelines for Hand, Foot and Mouth Disease Diagnosis and Treatment of Medical Institutions" and "Guidelines for Diagnosis and Treatment of Enterovirus Infections", strengthen the retraining of knowledge of hand, foot and mouth disease among clinical staff, and strengthen the disease with other rash diseases. Differential diagnosis, efforts to achieve early detection, early diagnosis, early treatment. Carefully implement the referral system, case screening system and classification treatment principles, early detection and timely treatment of patients with critical complications to prevent deaths.
2. Strengthen the monitoring of the epidemic situation and do a good job in dealing with outbreaks. The county and urban disease control centers should strengthen the surveillance of hand, foot and mouth disease epidemics, and find out the epidemic situation and the epidemiological investigation and collection of case specimens when the clustered cases and outbreaks occur.
3. Strengthen pre-examination and triage, do patient isolation and treatment, and implement disinfection and isolation measures to prevent cross-infection. All types of medical institutions at all levels must implement the pre-examination and triage system to prevent hand, foot and mouth disease from mixing with other common diseases and avoid iatrogenic infections. For critical cases, organize experts to rescue or transfer to a higher level hospital for treatment. The local disease control centers timely carried out epidemiological investigations and specimen collection of severe cases in the area.
4. Strengthen the prevention and control of children, especially preschool children, and require all child care institutions to implement disinfection systems, morning inspection systems, absence reason tracking systems, infectious disease reporting systems, and accountability systems in accordance with relevant regulations and in practice. To prevent outbreaks in child care institutions.
5. Carry out health education and raise the level of knowledge of people's disease prevention. Positively introduce the knowledge of disease prevention of intestinal infectious diseases in various forms; correct children's bad health habits, and disinfect children's toys, tableware, clothing and supplies frequently. Parents should pay attention to their personal hygiene and develop good hygiene habits. Wash hands, drink boiled water, eat cooked food, diligent ventilation, clothes are quilted, etc.
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