Prevalence and preventing of cholera

Prevalence and preventing of cholera
Prevail
It is at 1817- 1923 year in cholera it is inferior over 100 years, an American-European every continent,be world to prevail successively largely 6 timesed. 1820 years (the 25th year of Jiaqing in Qing Dynasty) Cholera introduce China to, till 1948 in the the past 130 years, size prevail nearly one hundred times, 6 time world to prevail trouble and China all while being great.
Cholera prevails three links of course divide stating as follows.
Infect the source. It is patient and carrier. El's asking cholera is large than the classical cholera proportion in the light patient. Carrier divide health into carry disease germs, carry disease germs and carry disease germs 3 kinds after being ill incubation period. Arranging the time of fungus shorter of healthy carrier, is generally less than 7 days. The end of arranging the fungus more the most is one or two days in incubation period, duration is shorter. Carrying disease germs after being ill has two kinds of situations: Carry disease germs carry disease germs, disappear clinical symptom convalescence, most patient with fungus time exceed one week convalescence, with carry disease germs while being chronic ' Arrange the fungus for over 3 months continuously) ,This kind of situation is rare, may relate to inflammation of the gallbladder or biliary tract.
Propagate the route. It is more complicated, transmit through water more, will pass the carrier's excrement (urine too, excrement and urine) Spread. Food, hand and fly,etc. will transmit cholera.
Prevent
( 1) Manage and infect the source: Set up the enteric diseases clinic, find that isolates patients, making sure to diagnose early, isolate early, treat in time, need, leave 5 day such as view to person who exposed to, treat continuous 3 stool can relieve and isolate while being negative.
( 2) Cut off and propagate the route: Strengthen the hygiene to propagate, launch the mass patriotic public health campaign actively, manage the source of water, diet well, handle the excrement and urine well, eliminate flies, form the good hygienic habit.
( 3) Protect more easily infected group: Take exercises actively, improve the resistance against diseases and can carry on the cholera vaccine immunization campaign, new oral administration has recombinated body cholera vaccine of B sub-unit fungus and had already been listed in 04.
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