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題 名 | The Relationship between the Cold Chain System and Vaccine Potency in Taiwan(Ⅱ)--Oral Polio Vaccine=臺灣地區疫苗效價與Cold Chain系統間之關係(2)--口服小兒麻痺疫苗 |
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作 者 | 王德原; 楊若英; 楊依珍; 葉昇炎; 陳作琳; 陳惠芳; 謝榮添; 林嘉伯; | 書刊名 | 藥物食品分析 |
卷 期 | 8:1 2000.03[民89.03] |
頁 次 | 頁17-23 |
分類號 | 418.293 |
關鍵詞 | Cold chain系統; 麻疹疫苗; 麻疹; 腮腺炎; 德國麻疹混合疫苗; 效價試驗; Cold chain system; Oral poliovirus vaccine; Potency test; |
語 文 | 英文(English) |
中文摘要 | 活病毒口服小兒麻痺疫苗(OPV)被用於臺灣地區小兒麻痺根除計畫已有相當長的 歷史。由最不具熱安定性之小兒麻痺病毒製成的OPV,只有儲存在攝氏零下20度或更低的溫 度中才能維持其安定性。本研究之目的為評估臺灣地區疫苗儲運cold chain系統是否具備維 持小兒麻痺疫苗效價的能力。我們自民國86年9月至87年2月在臺灣各縣(含直轄市)市中隨 機選擇衛生所、衛生室及合約醫院進行疫苗抽樣及效價試驗。從試驗結果中發現,所有疫苗 檢體之第一型病毒效價皆符合我國衛生署及世界衛生組織的相關規定,此外除了少數個案外 ,絕大部份的第二與第三型病毒方可維持其效價。造成第二型病毒效價降低的原因可能與儲 存時小兒麻痺疫苗是否處於溶解狀態有關,至於造成第三型病毒效價降低的原因仍不清楚, 但上述第二與第三型病毒活性降低現象可能與儲存疫苗之冷凍櫃╱冰箱效率不佳有關。本研 究的結果顯示臺灣地區所使用的cold chain系統已能提供活病毒口服小兒麻痺疫苗適當的儲 存環境。 |
英文摘要 | The live attenuated oral poliovirus vaccine (OPV) has been used for the poliomyelitis erad-ication program in Taiwan for a long time. Since it is manufactured from a highly thermola-bile vaccine strain of poliovirus, it should be stored under the recommended temperature of -20℃ or below. This study investigated and evaluated the efficiency of the cold chain system for maintaining the polio vaccine potency in Taiwan. We selected several health stations and local hospitals/pediatric offices in each County/City of Taiwan to take the OPV samples and test their potency from Nov. 1997 to Feb. 1998. Our results showed that the type-1 poliovirus of all OPV samples met the requirements for the potency test, showing titers were higher than the criteria of the WHO and the ROC (Taiwan) national standard. The type-2 and -3 polioviruses in most of the OPV samples showed titers higher than the criteria, with the exception of a few samples. We found that the degradation of type-2 poliovirus was associated with the thawed samples, which were stored at temperatures not low enough. The factor that caused the degradation of the type-3 poliovirus was unclear so far. Nevertheless, the results of this study indicated that the cold chain system used in Taiwan was generally satisfactory for the OPV storage. |
本系統中英文摘要資訊取自各篇刊載內容。