| changes in anti-filarial antibody after control of filariasis in shandong province. | the changes in anti-filarial antibody level at different periods in different population groups of various controlled areas were studied by indirect fluorescent antibody test (ift) using frozen sections of brugia malayi adult worms as antigen. the positive rates by ifat in formerly hyper-, moderate- and low-endemic areas decreased to the level as those in non-endemic areas 15, 10 and 10 years respectively after the control of filariasis. in the children born after the control of filariasis, the ... | 1994 | 7924577 |
| epidemiological surveillance of filariasis after its control in shandong province, china. | shandong province used to be the highly endemic area of wuchereria bancrofti. culex pipiens pallens was the main mosquito vector. after about 30 years of large scale anti-filariasis control campaign, filariasis was controlled throughout the province in 1983. since then, extensive cross-sectional and consecutive longtitudinal surveillances have been carried out. parasitological and entomological data indicated that the microfilaremia rate of the human population, and the natural infection rate of ... | 1994 | 7667720 |