What document is required for medical cases to ensure a passenger's carriage does not pose a threat to others?

The Medical Information Form (MEDIF) is specifically designed to gather important medical details about a passenger who may have a medical condition that could affect their fitness for air travel or pose a risk to the health of other passengers and crew. Airlines utilize this form to assess whether they can accommodate the individual's medical needs and ensure that travel is safe for everyone involved.

The MEDIF serves to inform airline staff and medical professionals about the passenger’s health status, potential needs during the flight, and any medical assistance required. This ensures that appropriate measures are taken prior to boarding to address the passenger’s health condition properly.

In contrast, the other documents serve different purposes. A Medical Certificate usually verifies an individual’s medical fitness but may not provide detailed information specific to travel needs. A Passenger Declaration Form typically relates to baggage and customs requirements rather than health. A Health Clearance Form might be relevant in some contexts but does not specifically cater to the nuances of traveling by air or the medical requirements associated with it.