Nakuba kungabonakaliswa njengesizathu se-hemorrhagic colitis (isifo sohudo egazini) kuze kufike ngo-1982, u- E. coli O157: H7 manje ibonakala njengesizathu esivamile salesi simo. Iziqhumane ze-colitis ezibangelwa yizibhaktheriya ziye zahlotshaniswa ne-hamburger ecolile, ijusi le-apula, nemikhiqizo yobisi engahlosiwe. Nakuba ukutheleleka okuningi kungabi kakhulu futhi kuxazululwe ngokwabo, izinkinga ezingase zibulale zingenzeka emva kwezifo zika E. coli O157: H7.
Igama lezinhlobo: IsiNgisi Escherichia coli , noma i- "EHEC"
Uhlobo lwe-Microbe: Ama-bacteria a-Gram-negative
Indlela Esakaba ngayo
Ngokuvamile ukudla ukudla.
Ukudla okuhambisana no- E. coli kufaka phakathi ukudla okuluhlaza noma okungaphekiwe (isib., Inyama yenkomo), ukudla okunomsoco, ama-juice nezithelo zomkhiqizo ongakusihlwa, nokukhiqiza. Eminye imithombo yokutheleleka ifakiwe phakathi kokutshala izithombe, amanzi echibi, nezandla ezingcolile.
Ubani Osesengozini?
Bonke abantu bangakwazi ukuthola lesi sifo, kodwa abancane kakhulu futhi abadala kakhulu basengozini enkulu yezifo ezibi kakhulu.
Izimpawu
Izimpawu zingashintsha, kodwa ngokuvamile zihlanganisa isifo sohudo (ngokuvamile sigaqa igazi), ukuhlanza, kanye nezimpande ezinzima zesisu. Ngokuvamile, umkhuhlane awukho noma ubumnene kakhulu. Kubantu abaningi, ukutheleleka kuxazulula ngezinsuku ezingu-8.
Indlela Ebangelwa Izifo
U-E. coli ubambelela emangqamuzaneni emathumbu futhi akhiqize i-toxin (i-toxin ye-Shiga) ebangela ukuvuvukala nokufihla kwamanzi emathunjini emathunjini. I-toxin nayo ilimaza ububanzi besikhumba somathumbu nezinso ezinkulu.
Izinkinga
Cishe ngo-5-10% wabantu abane- E. coli O157: Ukutheleleka kwe-H7 kuhlakulela isifo esibulalayo esibizwa ngokuthi i- hemolytic-uremic syndrome , noma i-HUS, ebonakala yizinso noma ukuhluleka kwenqunu kanye ne-anemia ye-hemolytic (ukulahlekelwa kwamangqamuzana egazi abomvu). Lesi simo ngokuvamile senziwa ezinganeni futhi singaba sína kakhulu, okuholela ekulimaleni kwezinso ezingapheli noma ekufeni.
Ukuxilongwa
Ukuhlolwa kwelabhu yamasampuli esitokisini kwenziwa ngamasiko we-bacterium.
Isibikezelo
Izifo eziningi zixazulula zodwa ezinsukwini eziyisihlanu kuya kwezingu-7 ngaphandle kokwelashwa, kodwa ezinye izifo zingaba nzima noma zisongela ukuphila.
Ukwelapha
Ukwelashwa kuqukethe ukunakekelwa okusekelayo, ikakhulukazi, ukugwema ukuphelelwa amandla kwamanzi ngokuhambisa amanzi. Ama-antibiotics nemithi yokulwa nesifo sohudo (njenge-imodium) ayinconywa ngokuqondile ekuphatheni i- E. coli O157: H7 ukutheleleka. Ukusetshenziswa kwala mithi kuye kwahlotshaniswa nokugula okukhulu kakhulu; ngokusobala, bangakwazi ukwandisa isikhathi sohudo, bangabangela imiphumela ye-Shiga toxin, futhi bakhulise ingozi ye-hemolytic-uremic syndrome.
Ukuvimbela
Sebenzisa ukuhlanzeka okuhle, ukugeza izandla njalo kanye nokuphepha kwekhishini .
Imithombo:
Escherichia coli . CDC Division of Foodborne, Bacterial and Mycotic Izifo.
Escherichia coli O157: H7. US FDA Book Book Bad. I-Handborne Pathogenic Microorganisms ne-Natural Toxins Handbook.
I-Tarr PI, i-Gordon CA, i-Chandler WL. Ukukhiqizwa kwe-Shiga-toxin e-Escherichia coli ne-haemolytic syndrome syndrome. Lancet 2005; 365: 1073.