Surveillance on Rickettsia in epidemic areas of scrub typhus in Xinyang areas of Henan / 中华流行病学杂志
Chinese Journal of Epidemiology
;
(12): 547-549, 2007.
Article
Dans Chinois
| WPRIM
| ID: wpr-294287
ABSTRACT
<p><b>OBJECTIVE</b>To understand the epidemic status of Rickettsia in Xinyang areas of Henan province.</p><p><b>METHODS</b>Samples including liver, spleen, kidney from mouse and chigger mites from Xinyang areas and serum samples were detected by nested-polymerase chain reaction (PCR) and indirect immunofluorescence assay (IFA).</p><p><b>RESULTS</b>In 62 viscus samples from mice organs, the positive rates were 16.13%, 8.06% and 6.45% for Orientia tsutsugamushi, R. typhii and Spotted fever group rickettsiae respectively. In blood clots samples from mice, the positive rates were 8.06%, 6.45% and 1.61 % for O. tsutsugamushi, R. typhii and Spotted fever group rickettsiae respectively. Three out of 26 mouse serum samples were positive for the predicted fluorexcent intensity O. tsutsugamushi.</p><p><b>CONCLUSION</b>Using nested-PCR and IFA methods, O. tsutsugamushi, R. typhii and Spotted fever group rickettsiae were detected in the captured mice living in Xinyang areas of Henan province. Results showed that there were intensive natural reserviors of Rickettsia in Henan province, suggesting that the risk of outbreak of Rickettsia in these areas was high.</p>
Texte intégral:
Disponible
Indice:
WPRIM (Pacifique occidental)
Sujet Principal:
Phylogenèse
/
Rickettsia
/
Orientia tsutsugamushi
/
Rate
/
Virulence
/
Fièvre fluviale du Japon
/
Chine
/
Réaction de polymérisation en chaîne
/
Épidémiologie
/
Classification
Type d'étude:
Étude pronostique
/
Étude de dépistage
Limites du sujet:
Animaux
/
Humains
Pays comme sujet:
Asie
langue:
Chinois
Texte intégral:
Chinese Journal of Epidemiology
Année:
2007
Type:
Article
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