• Title/Summary/Keyword: Rabies vaccination

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Rabies neutralizing antibody titers in Korean dogs and cats intended for overseas travel

  • Dong-Kun Yang;Yu-Ri Park;Ha-Hyun Kim;Eun-Ju Kim;Hye Jeong Lee;Young-Ju Cheong;Bang-Hun Hyun
    • Korean Journal of Veterinary Research
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    • v.63 no.2
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    • pp.13.1-13.6
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    • 2023
  • Animals imported from abroad are a cause of rabies outbreaks in many countries. Therefore, rabies serology testing for dogs and cats traveling abroad is an important measure to reduce the incidence of rabies. Rabies virus antibodies were measured in sera collected from 2,367 dogs and 894 cats between 2017 and 2021. A serum sample with a value of 0.5 IU/mL or higher was considered a pass. The overall pass rates for rabies virus were 96.4% in dogs and 98.4% in cats. The mean rabies virus neutralization assay titers were higher in cats than in dogs and in female than in male animals. According to age, 6-year-old dogs and 9-year-old cats had the highest virus neutralization assay titers. Of the failure cases, 53.0% (53/100) were dogs or cats less than 1 year old. Although the average failure rates in dogs and cats were low at 3.5% and 1.6%, respectively, the factors influencing failure were age and vaccine manufacturer. Therefore, it is necessary to observe the vaccination interval and timing of blood collection after boosting.

Serological survey of the rabies virus in dogs reared in the area around the Pukhansan National Park (북한산 국립공원 주변지역 사육견의 광견병 항체 분포조사)

  • 조성범;박최규;임홍규;조미영;이달주;이은동;이정학;이병동
    • Korean Journal of Veterinary Service
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    • v.24 no.2
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    • pp.109-116
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    • 2001
  • This study was conducted to investigate the prevalence rate for rabies antibody (PRRA) of dogs near the Pukhansan National Park and in some other districts in Seoul Metropolitan city. From April to July 2000, a total of 414 serum samples were taken from dogs for breeding (92), pet dogs (162), and unclaimed/stray dogs (162). Rabies virus antibodies were detected by neutralizing peroxidase-linked assay (NPLA). Of 414 sera tested, 145 (35%) were positive to rabies virus antibody. PRRA in Pukhansan National Park area and in the other districts of Seoul city were 34.8% and 35.4%, respectively. There was no significant difference in the prevalence rate between these two districts. PRRA in pet dogs, unclaimed/stray dogs, and dogs for breeding were 39.5%, 35%, and 27.2% respectively. PRRA in dogs from residential areas, apartments, animal hospitals, and farms were 32.5%, 60%, 35.3%, and 26.7% respectively. Especially, the dogs reared in apartments had a significantly higher seroprevalence (60%) than those in residential or farm areas. PRRA in less than 1 year, 1~<2 years, 2~<3 years, and over 3 years old dogs were 14.7%, 40.4%, 38.4%, and 53% respectively, and overall 35% in the dog population. In addition, we found that dogs less than 1 year of age had lower antibody prevalence than those over 1 year of age. It was concluded that enhancement of vaccination is important in the prevention of the rabies, and that rabies vaccines should not be less supplied than the population of the dog.

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Epidemiology of Animal Bites and Factors Associated With Delays in Initiating Post-exposure Prophylaxis for Rabies Prevention Among Animal Bite Cases: A Population-based Study

  • Esmaeilzadeh, Firooz;Rajabi, Abdolhalim;Vahedi, Sajad;Shamsadiny, Mohammad;Ghojogh, Mousa Ghelichi;Hatam, Nahid
    • Journal of Preventive Medicine and Public Health
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    • v.50 no.3
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    • pp.210-216
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    • 2017
  • Objectives: One way to prevent deaths due to rabies is the timely utilization of post-exposure prophylaxis (PEP). Therefore, in addition to an understanding of the epidemiological distribution of animal bites, it is necessary to explore the factors leading to delays in PEP initiation. Methods: This cross-sectional study was conducted in Iran in 2011, and included 7097 cases of animal bites recorded at the Rabies Treatment Center of the Shiraz University of Medical Sciences using the census method. Logistic regression was used to identify factors associated with delays in PEP. Results: Among the patients studied, 5387 (75.9%) were males. The prevalence of animal bites in Fars province was 154.4 per 100 000 people. Dogs were the most frequent source of exposure (67.1%), and the most common bitten part of the body was the hands (45.5%). A delay in the initiation of PEP was found among 6.8% of the studied subjects. This delay was more likely in housewives (odds ratio [OR], 4.66; 95% confidence interval [CI], 2.12 to 10.23) and less likely in people with deep wounds (OR, 0.65; 95% CI, 0.43 to 0.97). Conclusions: Although all animal bite victims received complete PEP, in some cases, there were delays. Further, the type of animal involved, the depth of the bite, and the patient's occupation were the major factors associated with a delay in the initiation of PEP for rabies prevention.

Development of a Blocking ELISA for Measuring Rabies Virus-specific Antibodies in Animals

  • Yang, Dong-Kun;Kim, Ha-Hyun;Ryu, Jieun;Gee, Mi-ryun;Cho, In-Soo
    • Microbiology and Biotechnology Letters
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    • v.46 no.3
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    • pp.269-276
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    • 2018
  • Rabies virus (RABV)-specific antibodies in animals and humans are measured using standard methods such as fluorescent antibody virus neutralization (FAVN) tests and rapid fluorescent focus inhibition tests, which are based on cell culture systems. An alternative assay that is safe and easy to perform is required for rapid sero-surveillance following mass vaccination of animals. Two purified monoclonal antibodies (4G36 and B2H17) against RABV were selected as capture and detection antibodies, respectively. A genetically modified RABV, the ERAGS strain, was propagated and concentrated by polyethylene glycol precipitation. Optimal conditions for the RABV antigen, antibodies, and serum dilution for a blocking enzymelinked immune sorbent assay (B-ELISA) were established. We evaluated the sensitivity, specificity, and accuracy of the B-ELISA using serum samples from 138 dogs, 71 raccoon dogs, and 25 cats. The B-ELISA showed a diagnostic sensitivity of 95.8-96.3%, specificity of 91.3-100%, and accuracy of 96.0-97.2% compared to the FAVN test. These results suggest that the B-ELISA is useful for sero-surveillance of RABV in dogs, raccoon dogs, and cats.

Epidemiological Features of Human Cases After Bites/Scratches From Rabies-suspected Animals in Zenica-Doboj Canton, Bosnia and Herzegovina

  • Uzunovic, Selma;Skomorac, Muhamed;Basic, Fatima;Mijac-Music, Ivona
    • Journal of Preventive Medicine and Public Health
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    • v.52 no.3
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    • pp.170-178
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    • 2019
  • Objectives: To determine the epidemiological features of patients and animals after bites/scratches from rabies-suspected animals in Zenica-Doboj Canton, Bosnia and Herzegovina. Methods: Data from all patients (and the causative animals) admitted to the Antirabies Service of the Institute for Health and Food Safety Zenica in the 2009-2017 period were analyzed, including age, sex, anatomical site of the bite/scratch, animal type (stray/owned/wildlife), veterinary observations of the animal, and whether antirabies post-exposure prophylaxis (PEP) was indicated and/or administered. Results: In total, 1716 patients were admitted. Bites/scratches were most frequently recorded during April and May (n=181, 10.5% and n=163, 9.5%, respectively). The persons admitted were mostly from the Zenica municipality (n=1278, 74.5%; incidence: 11.55/1000), which is 66.6% urbanized. Males were more frequently represented (n=1089, 63.6%). The patients were mostly 50-64 and 25-49 years of age (n=425, 24.7% and n=390, 22.7%, respectively). Dog bites were the most common cause (n=1634, 95.1%, of which n=1258, 77.0% were caused by stray dogs). PEP was indicated for 997 (58.1%) patients. Only 340 (19.9%) animals underwent veterinary observations (3.1% of stray and 76.1% of owned animals). The largest number of injuries were presented at lower extremities, 1044 (60.8%) cases. Conclusions: Zenica-Doboj Canton is a rabies-free region. Due to the high rate of stray animals not undergoing veterinary observations, the non-existence of a unique dog registry, and the consequent lack of information about stray animals in terms of number, vaccination, neutering, and euthanasia, there is an urgent need for improving the prevention and control of rabies within the One Health framework.

Bedside Education Will Be More Important than Now in the Age of Artificial Intelligence (인공지능 시대에 더 중요해질 침상 옆 교육)

  • Yeh, Byung-Il
    • Korean Medical Education Review
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    • v.18 no.2
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    • pp.58-64
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    • 2016
  • The birth of the scientific revolution, brought forth by Vesalius and Copernicus in 1543, marked the beginning of a new age. However, the changes such as treatment effectiveness, survival rate, prevalence of specific diseases, etc. had not yet become clear during the 16th century. In the early 17th century, Boerhaave emphasized bedside teaching and practice. His attitude influenced numerous students and educators, so many medical students visited hospital wards where he worked. From the late 18th to 19th centuries, Jenner's smallpox vaccination, Pasteur's anthrax and rabies vaccinations, and Koch's four postulates used to detect pathogens were developed using the scientific research method, which initiated big changes for medicine. Flexner, credited for reporting the new medical education system, adopted scientific medicine. He believed medical students must study basic medical science since it could be the foundation of clinical medicine and lead to a revolution in the field. He proposed a new medical curriculum composed of two-years of basic medicine and two-years of clinical medicine, which has been used more than 100 years. During the late 20th century, bedside teaching rounds decreased gradually as scientific medicine has become popular. Many medical educators in many articles have proposed bedside education as an effective method for medical learning. Despite the advent of the age of artificial intelligence and the changing of medical environments in the near future, bedside education will be more useful and important for medical students, educators, and patients as it is a traditional method and essential for patients who desire a more personal approach.

The amendment tendency analysis of the Korean Infectious Disease Prevention Act and a recommendation for the next amendment (전염병관리 관련법령의 변화 추이분석 및 향후 개정방향에 관한 연구)

  • Whang, Chang-Yong;Ohrr, Hee-Choul;Lee, Duk-Hyoung;Park, Ki-Dong;Lee, Jong-Koo
    • Journal of Preventive Medicine and Public Health
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    • v.31 no.3 s.62
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    • pp.540-563
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    • 1998
  • This Study has been carried out to make a recommendation for the next amendment of the Infectious Disease Prevention Act with a specific focus on the kind of notifyable disease. Korean, Japanese, German, U.S, English and French acts on infectious diseases prevention were reviewed, compared with and analized in regards of numbers and kinds of notifyable infectious diseases and their tendency of amendments. An criteria was designed to assess the level of validity of diseases to be designated in the act. Four items, the fatality (greater than 10% or not), the possibility to make a big epidemic, the availability of efficient vaccination and the usefulness of isolation, are used in the assessment. This index is applied to the diseases in Korean and other countries' Infectious Disease Prevention Acts. Results are as follows: 1. The Korean Infectious Disease Preventon Act has a unique way of classifying the notifyable infectious disease, that is, the first, the second and the third class. But the author cannot find the basis of classification. No other countries reviewed have the similar classification. 2. The ten diseases, cholera, plague, yellow fever, diphtheria, typhoid fever, poliomyelitis, rabies, tetanus, malaria, and meningococcal meningitis are designated as the notifyable diseases not only in Korea but also in Japan, Germany, United States, England and france. 3. Thirty seven diseases including small pox, Lassa fever, anthrax, influenza, German measles, Legionellosis, infection with E. coli O157:H7, Q-fever, brucellosis, Lyme disease are designated as legal disease at least one of the above mentioned countries. 4. The Korea has been coped with the change of the infectious disease occurrence for last fifty years in amendment of the Infectious Disease Prevention Act. 5. Japan has a special infectious surveillance system composed of 3,880 clinics throughout the whole country. 6. Germany has classified infectious diseases in five categories which are based on seriousness of disease. Any confirmed death, cases and suspected cases in class I should be reported within 24 hours. But only confirmed death and cases in class II, but not suspected cases, are reportable in Germarny. 7. Plague, bacillary dysentery, pertussis, mumps, Japanese encephaltis and Korean hemorrhagic fevers are diseases with high credits validity index among Korean legal disease. 8. German measles, anthrax, E. coli O157 : H7 infection, Lassa fever, Q-fever, brucellosis are high in validity index among those which are not designated in Korea but designated in other countries. In conclusion, the Korean Infectious Disease Prevention Act has well been coped with the changes of infectious disease occurrence for last fifty years, but the classification basis and the validity of diseases to be designated as legal diseases is worth reevaluating.

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