| http://www.w3.org/ns/prov#value | - Due to their relative ease and low cost, age-stratified seroprevalence surveys have proven to be a useful tool in surveillance of several directly transmitted diseases, most notably chickenpox and measles.31 More recently, researchers have investigated the applicability of age seroprevalence survey data to help monitor the transmission of vector-borne diseases such as malaria, trypanosomiasis and
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