[Study on the transmission threshold of filariasis. Collaborating Research Group on the Transmission Threshold of Filariasis].
Identifieur interne : 00C771 ( Main/Exploration ); précédent : 00C770; suivant : 00C772[Study on the transmission threshold of filariasis. Collaborating Research Group on the Transmission Threshold of Filariasis].
Auteurs : Z J ShiSource :
- Zhongguo ji sheng chong xue yu ji sheng chong bing za zhi = Chinese journal of parasitology & parasitic diseases [ 1000-7423 ] ; 1994.
Descripteurs français
- KwdFr :
- Animaux, Anopheles (parasitologie), Brugia malayi (isolement et purification), Chine, Filariose lymphatique (parasitologie), Filariose lymphatique (transmission), Filarioses (parasitologie), Filarioses (transmission), Humains, Microfilaria (isolement et purification), Morsures et piqûres d'insectes, Wuchereria bancrofti (isolement et purification), Études longitudinales.
- MESH :
- isolement et purification : Brugia malayi, Microfilaria, Wuchereria bancrofti.
- parasitologie : Anopheles, Filariose lymphatique, Filarioses.
- transmission : Animaux, Chine, Filariose lymphatique, Filarioses, Humains, Morsures et piqûres d'insectes, Études longitudinales.
English descriptors
- KwdEn :
- Animals, Anopheles (parasitology), Brugia malayi (isolation & purification), China, Elephantiasis, Filarial (parasitology), Elephantiasis, Filarial (transmission), Filariasis (parasitology), Filariasis (transmission), Humans, Insect Bites and Stings, Longitudinal Studies, Microfilariae (isolation & purification), Wuchereria bancrofti (isolation & purification).
- MESH :
- isolation & purification : Brugia malayi, Microfilariae, Wuchereria bancrofti.
- parasitology : Anopheles, Elephantiasis, Filarial, Filariasis.
- transmission : Elephantiasis, Filarial, Filariasis.
- Animals, China, Humans, Insect Bites and Stings, Longitudinal Studies.
Abstract
Twenty-one villages from ten provinces and one autonomous region with different mf rates in population and different levels of mean mf density per 60 microliters blood in positive cases and representative species of filaria and vector after DEC treatment were selected as study sites. In these villages a longitudinal investigation for a period of 3-5 years was carried out without adopting any control measure. The main results were: 1. Among 279 residual microfilaremia cases, 235 (84.2%) turned negative spontaneously and successively. The negative conversion rates were 86.6% (46/53) in malayan cases, 60.8% (28/46) in bancroftian cases after 3 years' follow-up, and 100% (29/29) in malayan cases, 87.4% (132/151) in bancroftian cases after 4-5 year's follow-up. Among 110 bancroftian cases followed-up to seven years, 109 (99.1%) turned negative. 2. Twenty-two new microfilaremia cases were detected, of which, 18 might be missed in previous blood examination, 4 might be new infection. 3. Mf rate in the population in twenty villages has been trending down, whereas in one village fluctuated around the original level. Among the 20 villages, no microfilaremia case was found in 7 villages. 4. The natural infection rates of filarial larvae and infective rates in mosquito vectors were in descending trend in most of these villages, and no filarial larva was found in 12 villages.(ABSTRACT TRUNCATED AT 250 WORDS)
PubMed: 8044896
Affiliations:
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Le document en format XML
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Collaborating Research Group on the Transmission Threshold of Filariasis].</title><author><name sortKey="Shi, Z J" sort="Shi, Z J" uniqKey="Shi Z" first="Z J" last="Shi">Z J Shi</name></author></analytic><series><title level="j">Zhongguo ji sheng chong xue yu ji sheng chong bing za zhi = Chinese journal of parasitology & parasitic diseases</title><idno type="ISSN">1000-7423</idno><imprint><date when="1994" type="published">1994</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Anopheles (parasitology)</term><term>Brugia malayi (isolation & purification)</term><term>China</term><term>Elephantiasis, Filarial (parasitology)</term><term>Elephantiasis, Filarial (transmission)</term><term>Filariasis (parasitology)</term><term>Filariasis (transmission)</term><term>Humans</term><term>Insect Bites and Stings</term><term>Longitudinal Studies</term><term>Microfilariae (isolation & purification)</term><term>Wuchereria bancrofti (isolation & purification)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term><term>Anopheles (parasitologie)</term><term>Brugia malayi (isolement et purification)</term><term>Chine</term><term>Filariose lymphatique (parasitologie)</term><term>Filariose lymphatique (transmission)</term><term>Filarioses (parasitologie)</term><term>Filarioses (transmission)</term><term>Humains</term><term>Microfilaria (isolement et purification)</term><term>Morsures et piqûres d'insectes</term><term>Wuchereria bancrofti (isolement et purification)</term><term>Études longitudinales</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Brugia malayi</term><term>Microfilariae</term><term>Wuchereria bancrofti</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Brugia malayi</term><term>Microfilaria</term><term>Wuchereria bancrofti</term></keywords><keywords scheme="MESH" qualifier="parasitologie" xml:lang="fr"><term>Anopheles</term><term>Filariose lymphatique</term><term>Filarioses</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Anopheles</term><term>Elephantiasis, Filarial</term><term>Filariasis</term></keywords><keywords scheme="MESH" qualifier="transmission" xml:lang="en"><term>Elephantiasis, Filarial</term><term>Filariasis</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>China</term><term>Humans</term><term>Insect Bites and Stings</term><term>Longitudinal Studies</term></keywords><keywords scheme="MESH" qualifier="transmission" xml:lang="fr"><term>Animaux</term><term>Chine</term><term>Filariose lymphatique</term><term>Filarioses</term><term>Humains</term><term>Morsures et piqûres d'insectes</term><term>Études longitudinales</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Twenty-one villages from ten provinces and one autonomous region with different mf rates in population and different levels of mean mf density per 60 microliters blood in positive cases and representative species of filaria and vector after DEC treatment were selected as study sites. In these villages a longitudinal investigation for a period of 3-5 years was carried out without adopting any control measure. The main results were: 1. Among 279 residual microfilaremia cases, 235 (84.2%) turned negative spontaneously and successively. The negative conversion rates were 86.6% (46/53) in malayan cases, 60.8% (28/46) in bancroftian cases after 3 years' follow-up, and 100% (29/29) in malayan cases, 87.4% (132/151) in bancroftian cases after 4-5 year's follow-up. Among 110 bancroftian cases followed-up to seven years, 109 (99.1%) turned negative. 2. Twenty-two new microfilaremia cases were detected, of which, 18 might be missed in previous blood examination, 4 might be new infection. 3. Mf rate in the population in twenty villages has been trending down, whereas in one village fluctuated around the original level. Among the 20 villages, no microfilaremia case was found in 7 villages. 4. The natural infection rates of filarial larvae and infective rates in mosquito vectors were in descending trend in most of these villages, and no filarial larva was found in 12 villages.(ABSTRACT TRUNCATED AT 250 WORDS)</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Shi, Z J" sort="Shi, Z J" uniqKey="Shi Z" first="Z J" last="Shi">Z J Shi</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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