Fact checking in epidemiology typically involves several steps: 1. Identifying Claims: Collecting statements, data, or news that need verification. 2. Consulting Experts: Engaging with epidemiologists and public health experts to assess the validity of the information. 3. Cross-Referencing Data: Comparing the information with data from reputable sources such as peer-reviewed journals and official health organizations. 4. Publishing Findings: Sharing the verified information through various platforms to reach a broad audience.