. . . "100881035"^^ . "the ongoing systematic collection and analysis of data about an infectious disease that can lead to action being taken to control or prevent the disease"@en-us . "0"^^ . . . . . . "00881035-n"^^ . "surveillance of disease"@en-us . "100828802"@en-us . . "0"^^ . "surveillance of disease"^^ . . .