A day for standing still and answering questions

Zero miles today. Ten of the 45 days on this route are Bone Marrow Awareness Days, and they all work the same way. In the founder's own words: "I stay where I am to educate about donors, transplants, how and why they should join." There is no program and nothing to sign up for on the spot. If you are passing through, she would rather talk to you than not.

What she explains, roughly: a blood stem cell transplant treats leukemia and other blood cancers by replacing a patient's diseased marrow with a healthy donor's cells, with the aim of rebuilding a working blood and immune system. Fred Hutch describes the method E. Donnall Thomas pioneered as destroying a patient's diseased bone marrow with near-lethal doses of radiation and chemotherapy and then rescuing the patient by transplanting healthy marrow, the goal being a fully functioning and cancer-free blood and immune system. That is how the technique was developed; what an individual patient receives today is a matter for their transplant team. Thomas shared the 1990 Nobel Prize in Physiology or Medicine with Joseph E. Murray for their discoveries concerning organ and cell transplantation in the treatment of human disease. Fred Hutch says the work took survival from nearly zero to up to 90 percent for some blood cancers.

What she does not do is register anyone. The Jada Bascom Foundation is not a registry. It does not type anyone's tissue, hold anyone's sample, mail swab kits, or decide who is eligible. It explains the process and points people to the organizations that run it. In the United States that is NMDP, which sets out the requirements plainly: you join between the ages of 18 and 35, you must be a resident of the U.S., its territories or freely associated states, and you must be able to meet its health guidelines. Once registered you stay listed until you are 61, unless you ask to be removed. You order a free swab kit online, it usually arrives in 3 to 7 days, you swab and send it back in the prepaid envelope. If you are ever matched, NMDP says it pays for all donation and travel costs, including flights, hotel stays and meals for you and a companion, and also covers missed pay from work, pet care and childcare.

She is also straightforward about the odds, because overselling this helps nobody. NMDP says it can take months or years for someone to be called as a match, and that other people may never be called. HLA markers are inherited from your biological parents, half from each; doctors look at up to 12 of them and usually want eight to ten to match. That is why a patient's search so often has to reach a pool far larger than their own family. Torsten Huber joined a donor registry in Germany before Jada Bascom's family ever needed one, with no way of knowing who he might turn out to match. That is the whole proposition: a swab now, on the chance that it means something to a stranger later.