Rare voices · Letter 02 of 12

A Letter to Amy from Yin Li, a Primary Immunodeficiency (IEI) Patient

A Letter to Amy from Yin Li, a Primary Immunodeficiency (IEI) Patient

English translation

Dear Amy,

Hello! I am Yin Li, the founder of “Bruton's Home of Friends,” a mutual-aid community for patients with inborn errors of immunity (IEI), formerly known as primary immunodeficiency (PID). I am also a 31-year-old patient with X-linked agammaglobulinemia (XLA).

When I learned that you are going to take on the challenge of the “world's toughest rowing race”—crossing the Atlantic—and that you will carry the voice of the rare-disease community as you cut through the waves, my heart could not calm down for a long time. Your husband, a 75-year-old patient with cystic fibrosis (CF), is a miracle of life. And I, an immunodeficiency patient who has lain in the hospital for nearly 3,000 days and nights and undergone 18 orthopedic surgeries, write this letter also wishing to place into your hands the deepest cry and unwillingness of our community.

Amy, out on the vast Atlantic, when the waves churn and night falls, I would like to ask you to help us read this passage aloud to the world. Because our community is going through the most cruel and most “heartbreaking” regret among rare diseases.

1. Our heartbreak: there is a treatment, yet half a lifetime was destroyed

Many people think all rare diseases are incurable, fatal illnesses, but inborn errors of immunity (IEI) are not. They are among the few, extremely fortunate rare diseases that can be treated with medicine!

For example, in XLA, which is what I have, all we lack is immunoglobulin (antibodies). As long as we can be diagnosed early, before the body's organs suffer irreversible damage, and receive a regular, standardized infusion of immunoglobulin (IVIG), our immunity can be just like that of a normal person. We can experience the world like ordinary people—go to school, work, fall in love—and have an ordinary life no different from anyone else's.

The medicine is right there, within reach. Yet our tragedy and regret lie precisely here.

Because the disease is extremely rare and only presents symptoms resembling those of common illnesses, the diagnosis rate of IEI is extremely low. This means that countless children cannot even wait for a diagnosis before leaving this world in agony amid endless misdiagnoses and severe infections.

And what about the few who survive? Take me—I ran headlong into walls for 22 years inside the maze of “recurrent infections.” Because I was always sick, from childhood I was misunderstood by elders and those around me as “lazy, unwilling to exercise, even faking illness to skip school.” It was not until I was 22, when my left knee suddenly developed a severe joint infection, that a genetic test finally confirmed the diagnosis. On the day of the diagnosis, the doctor said to me: “Yin Li, all the pain and all the misdiagnoses of the first 22 years of your life could actually have been completely avoided with just one regular infusion each month.”

Amy, can you imagine that feeling? It was not the relief of a narrow escape from death; it was heart-piercing regret and unwillingness! If I could have been diagnosed a little earlier, even just a few years earlier, my joints would not have become disabled, I would not have had to go through the nightmare of these 10 years—18 times of having my flesh cut open, my bones sawed, prosthetics implanted, then reinfected, then cut open again—and I would not have had to walk through my youth on crutches. I could have lived a decent and wonderful life, just like an ordinary person!

If my experience has been a long torment, then another, even more severe type within our community—SCID (severe combined immunodeficiency)—is, for many families, a sudden and unforeseen life-and-death parting. These children look completely healthy when they are born, but because they have no immunity at all, they often face severe infections not long after birth and leave this world in haste.

What is even more heartbreaking is that every healthy newborn receives the BCG vaccine, which was meant to be a barrier protecting the newborn. But for SCID babies with no immunity at all, this live vaccine becomes a catastrophe, becoming the “death accelerator” of their lives. Because no one knew the child had an immunodeficiency, an act that should have been one of love and protection turned, in ignorance, into the most cruel harm.

Every time I see such a tragedy, my heart cannot rest. Because this could have been completely avoided with just one simple newborn screening test at birth! If it could be detected early through screening, if the live vaccine were not given, and if a bone marrow stem cell transplant were performed as early as possible, these children could be completely cured and have a fully sound life.

This price is far too heavy. And such regret is happening, truly, every day, in tens of thousands of immunodeficiency families.

2. Our counterattack and hope: helping the children who come after reclaim a happy childhood

When I was diagnosed at 22, the doctor said that my surviving was already a “miracle.” Since I am a miracle, I did not want to just waste away in a hospital bed. So that the children who come after would not have to go through the same “heartbreak” as I did, I founded “Bruton's Home of Friends.”

In the past year, our team of volunteers has traveled to nearly 30 cities and visited over a hundred experts; we have sorted out medical pathways for hundreds of bewildered families, assisted suspected patients in completing key examinations, and literally helped them reclaim the time that misdiagnosis had stolen.

What comforts me and makes me happiest is that change is happening, and hope is taking root!

In the past, a diagnosis could take ten or twenty years; now, thanks to early screening and the attention of grassroots doctors, some children receive a diagnosis when they are just a few months old, before any severe infection has occurred! More and more children, because of everyone's efforts, are diagnosed early and receive standardized treatment. Watching them, I see that they no longer have to repeat the dark childhood of shots and medicine that I went through; they can go to amusement parks, run freely in the sunshine, and have a laughing, joyful childhood just like the most ordinary healthy children!

Every time I see these children share photos of their normal lives in our group chat, I feel that all the suffering I endured over these 22 years, and all the scars on my body, were completely worth it. On my behalf, they are living out the ordinary, regret-free life that should have belonged to me!

3. Carrying our hope, please row forward!

Amy, the loneliness, fear, and towering waves you face on the Atlantic are what we endure every day in the waves of fate. The pair of oars in your hands measures not only the width of the ocean, but also the tenacity of the lives of our rare-disease community.

When you feel utterly exhausted in the middle of the Atlantic, please listen to the sound of the sea wind—it may sound exactly like the cry of all the living and departed lives of our community gathered together.

Please help us tell the world: inborn errors of immunity can be treated! Please help us call out: let the sunlight of early diagnosis and early treatment shine into every corner, so that every child with a rare disease can take fewer detours and have the most ordinary, and most brilliant, life!

You are by no means rowing alone. The hope of tens of thousands of rare-disease families is turning into the oars in your hands. We are here, waiting for your safe and triumphant return, waiting for you to join us in turning the abyss of rare disease into a land full of sunshine!

Wishing you fair winds and safe passage!

Yin Li, Founder of Bruton's Home of Friends

Dragon Boat Festival, 2026

中文原文

原发性免疫缺陷患者(IEI)尹立写给Amy姐的一封信

亲爱的Amy姐:

你好!我是尹立,是免疫出生缺陷(IEI)旧称原发性免疫缺陷(PID)病友互助社群“布鲁顿友之家”的发起人,也是一名31岁的X连锁无丙种球蛋白血症(XLA)患者。

得知你要去挑战“世界最艰难划船赛”横渡大西洋,还要带着罕见病群体的声音破浪前行,我的内心久久不能平静。你的丈夫作为一名75岁高龄的囊性纤维化(CF)病友,是生命的奇迹。而我,作为一名在医院躺了近3000个日夜、经历了18次骨科手术的免疫缺陷患者,写下这封信,也想把我们这个群体最深处的呐喊与不甘,交到你的手中。

Amy姐,在茫茫大西洋上,当海浪翻滚、黑夜来临时,我想请你帮我们向世界大声读出这段话。因为我们这个群体,正经历着罕见病中最残酷、也最让人“意难平”的遗憾。

1. 我们的意难平:明明有治疗方式,却生生被毁掉了半生

很多人以为罕见病都是无药可医的绝症,但免疫出生缺陷(IEI)不是。它是为数不多、极为幸运的有药可治的罕见病!

比如像我所患的XLA,我们缺少的只是免疫球蛋白(抗体)。只要在身体器官受到不可逆的损伤之前能够尽早确诊,定期规范地输一次丙球(免疫球蛋白),我们的免疫力就能像正常人一样。我们可以像普通人一样去体验世界,去上学、去工作、去恋爱,去拥有一份最普通的、和普通人毫无二致的人生。

药就在那里,触手可及。可我们的悲剧和遗憾,恰恰也在这里。

因为疾病极其罕见又只是表现出一些常见疾病的症状导致IEI诊断率极低。这意味着,无数的孩子根本等不到确诊,就在无尽的误诊和严重的感染中痛苦地离开了这个世界。

而活下来的少数人呢?比如我,在“反复感染”的迷宫里生生撞了22年的墙。因为总生病,我从小被长辈和身边人误解为“懒、不爱锻炼、甚至装病逃学”。直到22岁,我左膝突发严重关节感染,做基因检测才终于确诊。确诊那天,医生对我说:“尹立,你人生前22年的所有痛苦、所有的误诊,其实只需要每个月定期输一次液,就能完全避免。”

Amy姐,你能想象那种心情吗?那不是劫后余生的庆幸,那是锥心刺骨的痛惜和不甘!如果我能早一点确诊,哪怕只早几年,我的关节就不会残疾,我不用经历这10年里18次把皮肉切开、骨头锯断、放入假体、再感染、再切开的噩梦,我不用拄着拐杖走过我的青春。我本可以像一个普通人一样,活得体面而精彩!

如果说我的经历是一场漫长的折磨,那我们群体里另一种更重的类型——SCID(重症联合免疫缺陷),对很多家庭来说就是一场猝不及防的生离死别。这些孩子刚出生时看起来完全是健康的,可因为没有任何免疫力,往往出生不久就会面临严重的重度感染,匆匆离开了世界。

更让人痛心的是,每一个健康宝宝出生后都会接种卡介苗,那原本是保护新生儿的屏障。可对没有任何免疫力的SCID宝宝来说,这针活疫苗却成了灭顶之灾,成了他们生命的“死亡加速器”。因为不知道孩子有免疫缺陷,本该是爱与保护的举动,却在无知中演变成了最残忍的伤害。

每当看到这样的悲剧,我都意难平。因为这明明是只要在刚出生时做一项简单的新生儿筛查,就完全可以避免的啊! 如果能通过筛查提早发现,不接种活疫苗,尽早做骨髓干细胞移植,这些孩子就能彻底治愈,拥有一个完全健全的人生。

这种代价,太沉重了。而这样的遗憾,每天都在成千上万个免疫缺陷的家庭里真实地发生着。

2. 我们的反击与希望:帮后面的孩子抢回快乐的童年

22岁确诊时,医生说我能活下来已经是“奇迹”了。既然我是个奇迹,我不想就这么废在病床上。为了不让后面的孩子再经历我这样的“意难平”,我发起成立了“布鲁顿友之家”。

在去年一年,我们团队志愿者走过近30座城市,拜访上百位专家;我们为数百个迷茫的家庭梳理就医路径,协助疑似患者完成关键检查,生生帮他们抢回被误诊偷走的时间。

最让我欣慰和感到幸福的是,改变正在发生,希望正在生根!

以前,确诊需要一二十年;而现在,因为有了早筛和基层医生的重视,有的孩子在几个月大、还没有发生严重感染时就拿到了确诊报告!越来越多的孩子因为我们大家的努力提早确诊,得到了规范的治疗。我看着他们不用再重复我当年打针吃药的黑暗童年,他们可以去游乐场,可以在阳光下畅快地奔跑,可以像个最普通的健康孩子一样拥有大笑的、快乐的童年!

每当看到这些孩子们在群里分享他们正常生活的照片,我就觉得,我这22年受过的所有罪、这满身的伤疤,全都值了。他们替我,活出了那个原本属于我的、没有遗憾的普通人生!

3. 带着我们的希望,请你挥桨向前!

Amy姐,你在大西洋上面对的孤寂、恐惧与惊涛骇浪,我们每天都在命运的波涛里承受。你手中的双桨,不仅丈量着海洋的宽度,也丈量着我们罕见病群体生命的韧度。

当你在大西洋中心感到疲惫不堪时,请你听一听海风的声音——那可能像极了我们这个群体所有活着的、逝去的生命,汇聚在一起的呐喊。

请帮我们告诉世界:免疫出生缺陷,有方式可治!请帮我们呼吁:让早确诊、早治疗的阳光,照进每一个角落,让每一个罕见病的孩子,都能少一些弯路,拥有一个最普通、也最灿烂的人生!

你绝不是一个人在划行。成千上万个罕见病家庭的希望,正化作你手中的桨。我们在这里,守候着你平安凯旋,守候着你和我们一起,把罕见病的深渊,变成充满阳光的陆地!

祝你顺风破浪,安全平安!

布鲁顿友之家发起人:尹立

2026年端午节