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Bohring-Opitz Syndrome Day

Join us in raising awareness and supporting those with Bohring-Opitz Syndrome on this special day - spread love, education, and hope!

Tuesday

April 2027

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATEApril 6

OBSERVED INInternationally

CATEGORYAwareness

SUBCATEGORYRare Diseases

INTRO

Introduction

PHOTO

Get ready to raise awareness and support for those affected by Bohring-Opitz Syndrome on April 6, also known as BOS Day! This rare genetic disorder was first described in the late 1970s and affects less than 200 individuals worldwide. Despite its rarity, BOS Day serves as an important reminder to show love and acceptance towards those with this condition, and to support ongoing research and resources for families. So let's come together on this day to spread positivity and celebrate the strength and resilience of those living with BOS!

TIMELINE

Bohring-Opitz Syndrome Day Timeline

First Case Reported

The first patient with symptoms, later identified as Bohring-Opitz Syndrome, was reported.

BOS Identified

Bohring-Opitz Syndrome was formally described and named by Axel Bohring.

ASXL1 Mutation Discovered

The ASXL1 gene mutation causing Bohring-Opitz Syndrome was discovered.

First BOS Day

The first Bohring-Opitz Syndrome Awareness Day was celebrated on April 6.

Expanded Scientific Research

New global initiatives expanded research into treatment options and potential cures for BOS.

GET INVOLVED

How to Celebrate Bohring-Opitz Syndrome Day

Organize a fundraising event

Host a charity run, walk, or bike ride to raise money for organizations that support those with Bohring-Opitz Syndrome. This is a great way to celebrate the day while also making a positive impact.

SPREAD

Spread awareness on social media

Use your social media platforms to educate others about Bohring-Opitz Syndrome and share stories and experiences of those affected by it. This will help raise awareness and understanding of the condition.

WEAR

Wear blue and green

Encourage others to wear blue and green, the official colors of Bohring-Opitz Syndrome, to show support for those affected by the condition. This can be done at work, school, or in your community.

ORGANIZE

Organize a support group

Reach out to other families and individuals affected by Bohring-Opitz Syndrome and organize a support group. This can be a great way to connect, share experiences, and offer support to one another.

HOST

Host a documentary screening

Find a documentary or film about Bohring-Opitz Syndrome and organize a screening for your community. This will help raise awareness and understanding of the condition while also creating a space for discussion and support.

WHY THIS DAY MATTERS

Why Bohring-Opitz Syndrome Day is Important

It encourages fundraising and research efforts

Designating a specific day helps to focus fundraising efforts towards finding a cure or better treatments for BOS. It also sheds light on the need for more research to be done in order to fully understand this rare genetic disorder and its impacts on those who have it.

It raises awareness for a rare disease

Bohring-Opitz Syndrome (BOS) is a genetic disorder that affects only a small number of people worldwide. By having a designated awareness day, it brings attention to this rare condition and helps educate others on its symptoms, diagnosis, and treatment.

It provides support and solidarity for those affected

For individuals and families living with BOS, having a designated day helps them feel less alone in their journey. It allows for connections to be made with others who understand what they are going through and provides a sense of community and support.

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