Testsealabs Vibro Cholerae O139 (VC O139) thiab O1 (VC O1) Combo Test
Lus piav qhia luv luv:
Vibro Cholerae O139 (VC O139) thiab O1 (VC O1) Combo Test yog kev soj ntsuam sai thiab yooj yim immunochromatographic rau kev kuaj pom zoo ntawm VC O139 thiab VC O1 hauv tib neeg fecal kuaj / dej ib puag ncig.
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Vibrios yog gram-negative, heev motile curved rods nrog ib tug polar flagellum.
Txog rau xyoo 1992, tus kab mob cholera yog tshwm sim los ntawm tsuas yog ob lub serotypes (Inaba thiab Ogawa) thiab ob hom biotypes (classical thiab El Tor) ntawm toxigenic Vibrio cholerae O1. Cov kab mob no yuav raug txheeb xyuas los ntawm:
- Kev ntsuam xyuas biochemical thiab kab lis kev cai ntawm kab lis kev cai ntawm kev xaiv xov xwm;
- Agglutination hauv O pawg 1 tshwj xeeb antiserum (qhia tawm tsam lipopolysaccharide tivthaiv ntawm phab ntsa ntawm tes);
- Ua qauv qhia ntawm lawv cov enterotoxigenicity nrog PCR.
Vibrio cholerae O139 yog ib hom kab mob cholera tshiab thawj zaug raug rho tawm hauv 1993. Nws zoo nkaus li tau muab los ntawm El Tor biotypes, khaws cov kab mob sib kis ntawm O1 hom kab mob thiab ua rau tib tus kab mob cholera enterotoxin, txawm tias nws tau poob tus yam ntxwv O1 somatic antigen.
Qhov no serovar yog txheeb xyuas los ntawm:
- Tsis muaj agglutination hauv O pawg 1 tshwj xeeb antiserum;
- Agglutination hauv O pawg 139 tshwj xeeb antiserum;
- Kev pom muaj polysaccharide capsule.
V. cholerae O139 hom kab mob tau hloov pauv sai sai, uas ua rau cov kab mob tau txais cov tshuaj tiv thaiv kab mob. Tsis tas li ntawd, cov kab mob yav dhau los nrog serogroup O1 tsis muaj kev tiv thaiv kab mob O139. Nws tau cia siab tias qhov ntev thiab nrawm ntawm kev kis tus kab mob tshwm sim los ntawm O139 feem ntau yuav ua rau tus kab mob cholera kis thoob ntiaj teb.
V. cholerae ua rau raws plab los ntawm colonization nyob rau hauv txoj hnyuv me thiab tsim cov kab mob cholera muaj zog. Muab qhov kev kuaj mob thiab kev kis mob hnyav, nws yog ib qho tseem ceeb los txiav txim siab qhov muaj tus kab mob V. cholerae sai li sai tau hauv cov qauv kuaj mob, dej, thiab zaub mov. Qhov no tso cai rau cov tub ceev xwm saib xyuas kev noj qab haus huv rau pej xeem siv kev saib xyuas tsim nyog thiab kev tiv thaiv zoo.
