Abstract:Introduction
The completeness and timeliness of the pertussis questionnaire-based enhanced surveillance system (ESS) among infants and reported pertussis data within the electronic nationwide notification system (NNS) in the years 2015, 2017 and 2019 were evaluated in a pilot study.
Methods
The completeness of the variables for demographic characteristics, date of symptom onset, hospitalisation and vaccination status were ass… Show more
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