Travel and blood donation, why 'where have you been?'

One of the questions on every donation checklist is about your passport, not your body: where have you travelled recently? It exists because of a quiet fact of tropical medicine, some infections ride in your blood without symptoms, invisible to any health check. Malaria is the classic. ## The malaria rule Malaria parasites can persist in blood after symptoms end. If you’ve travelled to or from a malaria-affected area, centres commonly apply a deferral of three months or more after your return, longer if you were ill during or after the trip. The exact list of regions and durations is the centre’s to apply; your job is to declare the trip. ## Assam fits inside this question Parts of Assam are malaria-reporting areas, living here doesn’t stop you donating. What matters to the centre is illness history: any recent unexplained fever, treated or untreated, gets a conversation. Residents of endemic districts are, in fact, some of the most valuable donors on the register, they’re immune-experienced, local, and reachable. ## What else travel can carry Dengue, chikungunya and other infections have their own windows. International travel (yellow-fever regions, etc.) carries specific deferrals. You don’t need to memorise any of this, you need to declare the trip, and the centre’s list does the medical work. ## The shape of the rule | Situation | Typical outcome | |---|---| | Malaria-area travel, well | Deferral commonly ~3 months+ (centre decides) | | Fever during/after travel | Wait until cleared, often longer | | Living in an endemic district | Fine, declare any recent fever | ## The honest answer is the fast one Declaring travel costs a question. Hiding it risks a transfusion patient in exactly the vulnerable state you’d never wish on anyone. Every centre prefers rescheduling you to trusting a wrong answer. Register as a donor →, and answer the travel question like a donor who knows it exists to protect someone. ## Explore When sickness delays donation → · the eligibility hub → · dengue and platelets →