タイの献血者間でジカウイルスRNAの低流行率
Sineenart Oota1, Duangnapa Intharasongkroh1, Wilaiwan Saekram1
1National Blood Center, Bangkok, Thailand.
Vector borne and zoonotic diseases (Larchmont, N.Y.)
|February 17, 2026
まとめ
タイの献血者において,ジカウイルスのRNAはめったに検出されず,現在,定期的なスクリーニングは不要であることを示唆しています. この研究では,伝播リスクを評価するために,献血におけるジカウイルス (ZIKV) RNAの流行を評価しました.
科学分野:
- ウイルス学 ウイルス学 ウイルス学
- 公衆衛生は公衆衛生である.
- エピデミオロジー エピデミオロジー
背景:
- ジカウイルス (ZIKV) は,主に熱帯地域のアデス蚊によって感染します.
- 無症状のキャリアは,血液や血液成分を通じたZIKV伝染の危険性があります.
研究 の 目的:
- タイにおける献血によるZIKV感染のリスクを評価する.
- タイの健康な献血者の間でZIKV RNAの有病率を決定する.
主な方法:
- 2020年1月から2021年9月まで56,145人のドナーから64,705件の献血をZIKV RNAの検査にかけました.
- コバのジカ検査と,室内のリアルタイムRT-PCRで確認された反応性サンプルを使用しました.
- 確認されたZIKV菌株を配列化し,系統遺伝学的に分析した.
主要な成果:
- ZIKV RNAは,献血の0.006% (1人当たり16,176人) で検出されました.
- 4人の無症状のドナーは陽性であったが,後に軽度な症状を発症し,症状は解消した.
- 系統遺伝学的分析により,ZIKV菌株はアジア系に属していることが判明した.
結論:
- タイの献血におけるZIKV RNAの低い罹患率は,現在,通常のスクリーニングが正当化されていないことを示唆しています.
- 発見は,東南アジアにおけるZIKVの疫学と血液の安全性の理解に貢献します.
関連する概念動画
Blood Transfusion and Agglutination
Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
Blood Transfusion
Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Bone Marrow Sampling and Transplants
Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
Kidney Transplant I: Introduction
A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
Hepatitis
Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...


