Publications
| resistance to deltamethrin in culex pipiens pallens (diptera: culicidae) from zhejiang, china. | resistance to deltamethrin, a pyrethroid insecticide, was found in 7 culex pipiens pallens l. populations collected in zhejiang (southeast china). larval populations exhibited resistance ratios of 5.9-24.73 at lc50 and of 95.8-294.5 at lc95. mortality ratios between field-collected adults and susceptible laboratory adults exposed to the discriminating dosage (0.01%/20 min) were 44.7-87.3. resistance levels varied among populations as follows: wenzhou > ningbo > hangzhou > zhoushan > jiaxing > ji ... | 1999 | 10337113 |
| [epidemiological surveillance of filariasis after its being basically eradicated in shandong province]. | this paper reports the results of epidemiological surveillance in areas where filariasis has been basically eradicated and control measures no longer adopted in shandong province. a 3-year longitudinal surveillance in 18 villages in 5 counties and a cross-sectional survey in 13 villages of 4 counties were carried out. the results showed that the average microfilaria rate was further reduced from 0.28% and 0.15% in 1980 to 0.19% and 0.05% in 1986, decreased by 32.1% and 66.7% respectively. 34.2% ... | 1989 | 2670312 |