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NNDSS |
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In addition, this same NNDSS - with origins dating more than a century ago - continues to be used for monitoring the decline in incidence of vaccine-preventable and other diseases and to detect and document the appearance of new public health problems. NNDSS is supported by a special monitoring network and produces these data annually according to county, a political subdivision of a province, which usually contains several townships and has a population of [approximately equal to] 500,000 persons. Methods Data and Sources We analyzed NNDSS data voluntarily reported to CDC from state health departments from 1992 to 1999 (11). |
NNDSS |
NNDA NNDB NNDC NNDD NNDDA NNDEW NNDFA NNDFN NNDFW NNDGC NNDHP NNDHS NNDI NNDK NNDKP NNDO NNDP NNDPA NNDPM NNDPU NNDR NNDRC NNDS NNDSB NNDSS NNDTNNE NNE NNEA NNEAA NNEAHSA NNEB NNEC NNECA NNECAPA NNECDSG NNECFC NNECN NNECOS NNECPA NNED NNEDAOG NNEDC NNEDSC NNEDV NNEEC NNEF NNEG NNEGC NNEHIF | |||||
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