About the instructor:
Gerson Afai holds a degree in Dentistry and a master’s degree in Field and Laboratory Epidemiology from Eduardo Mondlane University. He has experience in epidemiological surveillance, data management and analysis, monitoring and evaluation, outbreak response and training. He serves as a data manager and surveillance focal point for malaria elimination within Mozambique’s National Malaria Control Programme at the Ministry of Health. His work focuses on strengthening surveillance systems and using data to inform public health decisions and malaria elimination strategies. He has authored and co-authored publications on malaria, epidemiological surveillance and public health emergencies.
Event Summary
This seminar explored how epidemiological data can be transformed into actionable information to strengthen health surveillance, with examples focused on malaria. It covered data collection, organisation, cleaning and validation, followed by analysis, visualisation and interpretation to identify transmission trends, affected districts and differences by age and sex. It also highlighted population-adjusted rates, alert and epidemic thresholds, maps and trend charts as tools for detecting outbreaks and assessing interventions. The presentation emphasised that complete, consistent and reliable data are essential for guiding timely public health responses, allocating resources appropriately and monitoring their impact.
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