In order to protect your privacy, since there have been unsolicited contacts, we have now had to cancel our CADdy List. If you have, or a family member has, Cold or Warm Agglutinin Disease, please ask to join our group, CADdy CHATTER, on Facebook.com.
Through CADdy CHATTER We can offer you an opportunity to contact others with CAD, and to share your knowledge, experiences, and concerns with us.
You can provide us with your “Story” for publishing on the Stories page.
Your Contact Details
Please Provide your Contact Details (Name, City/State/Country, and Email address) to Betty Usdan at
We want to be able to invite you by email as projects, studies and clinical trials become available for your possible participation