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    ํ–‰์œ„์ž๊ธฐ๋ฐ˜ ์ ‘๊ทผ๋ฒ•์„ ํ™œ์šฉํ•œ 2010-11 ํ•œ๊ตญ ๊ตฌ์ œ์—ญ์˜ ๊ณต๊ฐ„ํ™•์‚ฐ ํ”„๋กœ์„ธ์Šค ๋ถ„์„

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    ํ•™์œ„๋…ผ๋ฌธ (์„์‚ฌ)-- ์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› : ์ง€๋ฆฌํ•™๊ณผ, 2014. 2. ๋ฐ•์ˆ˜์ง„.2010๋…„ ๋ฐœ์ƒํ•œ ๊ตฌ์ œ์—ญ ์‚ฌํƒœ๋Š” 11์›” 28์ผ ๊ฒฝ๋ถ ์•ˆ๋™์—์„œ ์‹œ์ž‘๋˜์–ด 2011๋…„ 4์›” 21์ผ๊นŒ์ง€ ์ „๊ตญ 11๊ฐœ ์‹œ๋„, 75๊ฐœ ์‹œใ†๊ตฐใ†๊ตฌ๋กœ ํ™•์‚ฐ๋˜์—ˆ๋‹ค. ๊ตญ๋ฆฝ์ˆ˜์˜๊ณผํ•™๊ฒ€์—ญ์›์€ 2010๋…„ ๋ง์— ๋ฐœ์ƒํ•œ ๊ตฌ์ œ์—ญ์ด ๊ณผ๊ฑฐ์™€ ๋‹ค๋ฅด๊ฒŒ ์ „๊ตญ์ ์œผ๋กœ ๋ฐœ์ƒํ•˜๊ณ  ์žˆ๋Š” ์ฃผ์š”์š”์ธ์œผ๋กœ ์ตœ์ดˆ ๋ฐœ์ƒ ๋†์žฅ์˜ ์‹ ๊ณ  ์ดํ›„ ์ง€๋ฐฉ์ž์น˜๋‹จ์ฒด ๋ฐฉ์—ญ๊ธฐ๊ด€์˜ ์ดˆ๊ธฐ ๋Œ€์‘์ด ๋ฏธํกํ–ˆ๋˜ ์ , ์•ˆ๋™์ง€์—ญ์—์„œ ์ตœ์ดˆ๋กœ ํ™•์ง„๋˜๊ธฐ ์ด์ „์— ์ด๋ฏธ ๊ฒฝ๊ธฐ๋„ ์ง€์—ญ์œผ๋กœ ์ „ํŒŒ๋˜์—ˆ๋‹ค๋Š” ์ , ์ถ”์šด ๋‚ ์”จ ๋“ฑ์œผ๋กœ ๋ฐฉ์—ญ์— ์–ด๋ ค์›€์ด ์žˆ์—ˆ๋˜ ์ ์„ ๋“ค์—ˆ๋‹ค. ๊ทธ ๊ฒฐ๊ณผ ๊ตฌ์ œ์—ญ์œผ๋กœ ์ „๊ตญ 4200๊ฐœ ๋งค๋ชฐ์ง€์— ์†Œ 15๋งŒ ๋‘, ๋ผ์ง€ 331๋งŒ ๋‘ ๋“ฑ ์ด 348๋งŒ ์—ฌ ๋‘๊ฐ€ ์‚ด์ฒ˜๋ถ„ ๋ฐ ๋งค๋ชฐ๋˜์—ˆ๊ณ  ๋งค๋ชฐ๋ณด์ƒ๊ธˆ์œผ๋กœ 18,617 ์—ฌ ์–ต์›์˜ ๊ฐœ์ธ ๋ฐ ๊ตญ๊ฐ€์ ์ธ ์ฒœ๋ฌธํ•™์  ํ”ผํ•ด๊ฐ€ ๋ฐœ์ƒํ•˜์˜€๋‹ค. ๊ตฌ์ œ์—ญ๊ณผ ๊ฐ™์€ ์‹ฌ๊ฐํ•œ ์ „์—ผ๋ณ‘์€ ์ดˆ๊ธฐ ๋ฐฉ์—ญ์— ์‹คํŒจํ•  ๊ฒฝ์šฐ ๋†๊ฐ€์— 2์ฐจ ํ˜น์€ 3์ฐจ์— ๊ฑธ์นœ ํ”ผํ•ด๊ฐ€ ๋ฐœ์ƒํ•˜๊ณ  ์šฐ์œ ๋‚˜ ๊ณ ๊ธฐ ์ƒ์‚ฐ๋Ÿ‰ ์ €ํ•˜์— ๋”ฐ๋ผ ์†Œ๋น„์ž๋„ ์˜ํ–ฅ์„ ๋ฐ›๋Š”๋‹ค. ์ด ๋•Œ๋ฌธ์— ์—ญํ•™์กฐ์‚ฌ์ž‘์—…์€ ํ”ผํ•ด๋ฐœ์ƒ์„ ์˜ˆ์ธกํ•˜๊ณ  ์˜ˆ๋ฐฉํ•˜๊ธฐ ์œ„ํ•ด ๋ฌด์—‡๋ณด๋‹ค ์‹œ๊ธ‰ํžˆ ์ด๋ฃจ์–ด์ ธ์•ผ ํ•  ์—ฐ๊ตฌ๊ณผ์ œ์ด๋‹ค. ๊ตฌ์ œ์—ญ์ฒ˜๋Ÿผ ๋‹ค์–‘ํ•œ ์š”์ธ๊ณผ ๊ฒฝ๋กœ๋ฅผ ํ†ตํ•œ ์ „์—ผ๋ณ‘์˜ ํ™•์‚ฐ์€ ๋ณต์žกํ•œ ๊ณผ์ •์„ ๊ฑฐ์นœ๋‹ค. ์ด์— ์ตœ๊ทผ ์ „์—ผ๋ณ‘์˜ ์ƒํ˜ธ์ž‘์šฉ๊ณผ ํ™•์‚ฐ์„ ๋ณต์žก๊ณ„ ์ด๋ก ์œผ๋กœ ํ•ด์„ํ•˜๋Š” ์—ฐ๊ตฌ๋“ค์ด ๋งŽ์•„์กŒ๋‹ค. ๋ณต์žก๊ณ„ ๋„คํŠธ์›Œํฌ ์•ˆ์—์„œ ์ „์—ผ๋ณ‘์€ ์งˆ๋ณ‘์˜ ์ค‘์‹ฌ์„ฑ๊ณผ ์—ฐ๊ฒฐ์„ฑ, ๊ทธ๋ฆฌ๊ณ  ํ–‰์œ„์ž ์‚ฌ์ด์˜ ์ƒํ˜ธ์ž‘์šฉ ๊ตฌ์กฐ์— ๋”ฐ๋ผ ์ฐฝ๋ฐœ(emergence)์ด ์ผ์–ด๋‚˜๋Š” ๊ฒฐ๊ณผ๊ฐ€ ๋‹ฌ๋ผ์ง€๊ธฐ ๋•Œ๋ฌธ์— ์—ฐ๊ตฌํ•  ๊ฐ€์น˜๊ฐ€ ์žˆ๋‹ค. ๋”ฐ๋ผ์„œ ์ด ์—ฐ๊ตฌ์˜ ๋ชฉ์ ์€ ํ–‰์œ„์ž์™€ ์™ธ๋ถ€ํ™˜๊ฒฝ์˜ ์ƒํ˜ธ์ž‘์šฉ์ด ๊ตฌ์ œ์—ญ์˜ ์‹œ๊ณต๊ฐ„ ํ™•์‚ฐ์— ์–ด๋– ํ•œ ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š”์ง€๋ฅผ ๊ทœ๋ช…ํ•˜๊ณ ์ž ํ•˜๋Š” ๊ฒƒ์ด๋‹ค. ์„ธ๋ถ€๋ชฉ์ ์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. ์ฒซ์งธ, ๊ตฌ์ œ์—ญ์˜ ๊ณต๊ฐ„ํ™•์‚ฐ๊ณผ์ •๊ณผ ์š”์ธ์„ ์•Œ์•„๋ณธ๋‹ค. ๋‘˜์งธ, ๊ตฌ์ œ์—ญ ํ™•์‚ฐ์˜ ์ธ๊ณผ๊ด€๊ณ„๋ฅผ ๊ทœ๋ช…ํ•œ๋‹ค. ์…‹์งธ, ๊ตฌ์ œ์—ญ์˜ ์‹œ๊ณต๊ฐ„ ํ™•์‚ฐ ์†๋„๋ฅผ ์กฐ์ ˆํ•˜๋Š” ๊ฒฐ์ •์š”์ธ๋“ค์„ ๊ทœ๋ช…ํ•œ๋‹ค. ์—ฐ๊ตฌ๋ฐฉ๋ฒ•์€ ์„ธ๋ถ€๋ชฉ์ ์˜ ์ˆœ์„œ๋Œ€๋กœ ๊ณต๊ฐ„๋ถ„์„, ์œ„ํ—˜ ๋Œ€์กฐ๊ตฐ ๋ถ„์„, ํ–‰์œ„์ž๊ธฐ๋ฐ˜๋ชจํ˜•์„ ์‚ฌ์šฉํ•˜์˜€๋‹ค. ์—ฐ๊ตฌ๊ฒฐ๊ณผ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. ์ฒซ์งธ, ๊ณต๊ฐ„ํ™•์‚ฐ ๊ณผ์ •๊ณผ ์š”์ธ์„ ๋ถ„์„ํ•œ ๊ฒฐ๊ณผ, ๊ตฌ์ œ์—ญ์˜ ํ™•์‚ฐ๋ฐฉํ–ฅ๊ณผ ์ฐฝ๋ฐœ์˜ ๊ฑด์ˆ˜๋ฅผ ์‹œ๊ฐ์ ์œผ๋กœ ํ™•์ธํ•  ์ˆ˜ ์žˆ์—ˆ๊ณ  2010-11๋…„ ๋‹น์‹œ์˜ ๊ธฐ์˜จ, ์Šต๋„, ๋„๋กœ์™€์˜ ๊ฑฐ๋ฆฌ, ๊ฒฝ์‚ฌ์™€ ๊ตฌ์ œ์—ญ ๋ฐœ์ƒ์ง€์  ๊ฐ„์˜ ๊ด€๊ณ„๋ฅผ ํŒŒ์•…ํ•  ์ˆ˜ ์žˆ์—ˆ๋‹ค. ๋‘˜์งธ, ๊ตฌ์ œ์—ญ ํ™•์‚ฐ์˜ ์ธ๊ณผ๊ด€๊ณ„๋ฅผ ๋ถ„์„ํ•œ ๊ฒฐ๊ณผ, ๊ธฐ์˜จ, ์Šต๋„, ๊ฒฝ์‚ฌ, ๋†์žฅ๋ฐ€๋„, ๊ณ ์†๋„๋กœ์™€์˜ ๊ฑฐ๋ฆฌ, ๋„๋กœ์™€์˜ ๊ฑฐ๋ฆฌ๊ฐ€ ๋ณ€์ˆ˜๋กœ ์‚ฌ์šฉ๋˜์—ˆ๋‹ค. ์ด์ค‘์—์„œ ๊ธฐ์˜จ, ๊ฒฝ์‚ฌ, ๋†์žฅ๋ฐ€๋„, ๋„๋กœ์™€์˜ ๊ทผ์ ‘์„ฑ์ด ์œ ์šฉํ•œ ๋ณ€์ˆ˜๋กœ ์ถ”์ถœ์ด ๋˜์—ˆ๋‹ค. ๋ชจ๋ธ์˜ ์ „์ฒด์ ์ธ ์ ํ•ฉ์„ฑ์€ 95% ์œ ์˜์ˆ˜์ค€์—์„œ chi-square๊ฐ’์ด 18.1๋กœ ์œ ์˜ํ•˜์˜€๊ณ , P-value๋„ 0.0006์œผ๋กœ ์œ ์˜๋ฏธํ•˜์˜€๋‹ค. ์…‹์งธ, ๊ตฌ์ œ์—ญ์˜ ์‹œ๊ณต๊ฐ„ ํ™•์‚ฐ ์†๋„๋ฅผ ์กฐ์ ˆํ•˜๋Š” ๊ฒฐ์ •์š”์ธ๋“ค์„ ๊ทœ๋ช…ํ•˜๊ธฐ ์œ„ํ•ด์„œ ์•ž์„  ๊ณต๊ฐ„๋ถ„์„์˜ ๊ฒฐ๊ณผ์™€ ํ†ต๊ณ„๋ถ„์„์˜ ๊ฒฐ๊ณผ๋กœ ์–ป์€ ๋ณ€์ˆ˜๋ฅผ ๋ฐ˜์˜ํ•˜์˜€๋‹ค. ์—ฌ๊ธฐ์— ๊ธฐ์˜จ, ๋†์žฅ๋ฐ€๋„, ๊ณ ์†๋„๋กœ์™€์˜ ์ ‘๊ทผ์„ฑ, ๋„๋กœ์™€์˜ ๊ฑฐ๋ฆฌ, ๋ฐฉ์—ญ์—ฌ๋ถ€๊ฐ€ ์„ ์ •๋˜์—ˆ๋‹ค. ๋ฐฉ์—ญ ๋ณ€์ˆ˜๋Š” ์•ž์˜ ๋ถ„์„์—์„œ ๋ฐํ˜€์ง€์ง€ ์•Š์•˜์ง€๋งŒ ์—ญํ•™ ํ˜น์€ ์ •์ฑ…์ ์œผ๋กœ ํ•„์š”ํ•˜๋‹ค๊ณ  ํŒ๋‹จํ•˜์—ฌ ์ถ”๊ฐ€ํ•˜์˜€๋‹ค. ์ด 72๊ฐœ์˜ ์‹œ๋‚˜๋ฆฌ์˜ค๋กœ ๋ถ„์„ํ•œ ๊ฒฐ๊ณผ, ๊ธฐ์˜จ๋ณ€ํ™”์™€ ๋†์žฅ๋ฐ€๋„์˜ ๋ณ€ํ™”๊ฐ€ ๊ตฌ์ œ์—ญ์˜ ๊ณต๊ฐ„์  ํ™•์‚ฐ์— ์ฃผ์š”ํ•œ ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ๋‚˜๋จธ์ง€ ๋ณ€์ˆ˜์—์„œ๋Š” ๋šœ๋ ทํ•œ ๋ณ€ํ™”๊ฐ€ ํฌ์ฐฉ๋˜์ง€ ์•Š์•˜๋‹ค. ์ด๋Š” ๋ชจ๋ธ ๊ตฌ์„ฑ๊ณผ์ •์—์„œ ์˜ค๋ฅ˜๋กœ ๋‚จ์•„ ์žˆ์„ ์ˆ˜ ์žˆ๊ณ , ์—ญํ•™๋ณด๊ณ ์„œ์—์„œ ๊ทธ ์ˆ˜์น˜๊ฐ€ ๋ฐ˜์˜์ด ์ œ๋Œ€๋กœ ์•ˆ๋˜์—ˆ๊ธฐ ๋•Œ๋ฌธ์ผ ์ˆ˜ ์žˆ๋‹ค. ์ด ์—ฐ๊ตฌ๋Š” ๊ตฌ์ œ์—ญ์˜ ํ™•์‚ฐ์— ์˜ํ–ฅ์„ ์ฃผ๋Š” ์ธ์ž๋“ค์˜ ํšจ๊ณผ์„ฑ์„ ์•Œ์•„๋ณด๊ธฐ ์œ„ํ•œ ์—ฐ๊ตฌ์ด๋ฉฐ, ๊ทธ ๊ธฐ๋ณธ์ „์ œ๋Š” ํ–‰์œ„์ž์™€ ์™ธ๋ถ€ํ™˜๊ฒฝ์˜ ์ƒํ˜ธ์ž‘์šฉ์ด์—ˆ๋‹ค. ์ด ์—ฐ๊ตฌ์—์„œ๋Š” ์™ธ๋ถ€ํ™˜๊ฒฝ์˜ ๋ณ€ํ™”์™€ ํ–‰์œ„์ž๋“ค์˜ ํ–‰ํƒœ์— ๋”ฐ๋ผ ๊ตฌ์ œ์—ญ์˜ ์‹œ๊ณต๊ฐ„์  ํ™•์‚ฐํŒจํ„ด์— ์ฐจ์ด๊ฐ€ ์กด์žฌํ•œ๋‹ค๋Š” ๊ฒƒ์„ ๋ฐํ˜”๋‹ค. ์ด ์—ฐ๊ตฌ์—๋Š” ์—ฐ๊ตฌ์ž๋ฃŒ, ๋ชจ๋ธ์˜ ์„ค๊ณ„๊ณผ์ •, ํ˜น์€ ํ”„๋กœ๊ทธ๋žจ์˜ ๊ธฐ๊ณ„์  ์˜ค๋ฅ˜ ๋“ฑ์˜ ํ•œ๊ณ„๊ฐ€ ์กด์žฌํ•œ๋‹ค. ์ด๋ฅผ ์œ ์˜ํ•˜์—ฌ ๊ฒฐ๊ณผ๋ฅผ ํ•ด์„ํ•˜์˜€์„ ๋•Œ, ๊ธฐ์˜จ์ด ๋‚ฎ์€ ๊ฒจ์šธ์ฒ ์— ์ ‘๊ทผ์„ฑ์ด ๋†’์€ ๋Œ€๋†์žฅ ์ง€์—ญ์˜ ๊ตฌ์ œ์—ญ ํ™•์‚ฐ ๊ฐ€๋Šฅ์„ฑ์ด ๋†’์œผ๋ฏ€๋กœ ๊ตฌ์ œ์—ญ ์˜ˆ๋ฐฉ ์ •์ฑ… ์ˆ˜๋ฆฝ ์‹œ ์šฐ์„ ์ˆœ์œ„๊ฐ€ ๋  ์ˆ˜ ์žˆ์„ ๊ฒƒ์ด๋‹ค. ์ด ์—ฐ๊ตฌ๋Š” ์งˆ๋ณ‘์˜ ํ™•์‚ฐ๊ณผ ๋ฐฉ์—ญ๊ณผ์ •์˜ ์˜์‚ฌ๊ฒฐ์ • ์‹œ์Šคํ…œ์œผ๋กœ์„œ ์˜์˜๋ฅผ ๊ฐ€์ง€๋ฉฐ, ํ–ฅํ›„ ๋ชจ๋ธ์˜ ๊ฐœ์„ ์„ ํ†ตํ•ด ์งˆ๋ณ‘ ํ™•์‚ฐ์„ ์˜ˆ๋ฐฉํ•˜๋Š” ๋ฐ ๊ธฐ์—ฌํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ์ด๋‹ค.TABLE OF CONTENTS Abstract iii Table of Contents v List of Tables viii List of Figures ix 1. Introduction 1 1.1. Background and Objectives of Study 1 1.2. Organisation of the Study 4 2. Literature Review 6 2.1. Various Approaches of FMD Transmission 6 2.1.1. Perspectives of Veterinary Science 6 2.1.2. Perspectives of Disease Ecology 10 2.2. Animal Disease in Spatial Diffusion Theory 14 2.2.1. Fundamentals of Diffusion Theory 14 2.2.2. Infectious Disease Studies in Diffusion Theory 15 2.3. Agent Based Models of Disease Transmission 19 2.3.1. Key Factors of Complexity Theory 19 2.3.2. Representative Method in Complexity Theory: Agent Based Model 21 2.4. Limitations in Previous Studies 25 3. Spatial Analysis of Foot-and-mouth Disease 27 3.1. Introduction 27 3.2. Materials and methods 28 3.3. Results 31 3.3.1. Spatial Process of FMD Transmission 31 3.3.2. Spatial Factors Causing FMD Transmission 37 3.4. Summary 44 4. Identification of Risk Factors associated with Foot-and-mouth Disease 47 4.1. Introduction 47 4.2. Materials and Methods 48 4.3. Results 53 4.4. Summary 56 5. Agent Based Approach to Discover Potential Factors of Foot-and-mouth Disease 58 5.1. Introduction 58 5.2. Materials and methods 59 5.2.1. Agents 59 5.2.2. Assumptions 59 5.2.3. Model Flowchart 61 5.2.4. Simulation Toolkit 64 5.3. Results 65 5.3.1. Sensitivity Analysis 65 5.3.2. Combination Between Factors 70 5.4. Summary 75 6. Discussion and Conclusion 78 References 85 Appendix 94 ๊ตญ๋ฌธ์ดˆ๋ก 101Maste
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