Several methods are employed to protect sensitive information in epidemiology: - De-identification: Removing personal identifiers so that individuals cannot be readily identified. - Encryption: Encoding data to prevent unauthorized access. - Secure storage: Using secure servers and databases to store sensitive information. - Access controls: Limiting access to data based on roles and responsibilities. - Legal and ethical guidelines: Adhering to regulations like HIPAA (Health Insurance Portability and Accountability Act) and ethical principles outlined by organizations like the World Health Organization (WHO).