UK: https://www.raredementiasupport.org
USA: https://aphasia.org
Australia: https://aphasia.org.au
Canada: https://www.aphasia.ca
If you are a speech and language therapist/pathologist working with a person with primary progressive aphasia, or a family member of a person with primary progressive aphasia, looking for information, we have put together a brief list of websites that you might find helpful:
UK: https://www.raredementiasupport.org
USA: https://aphasia.org
Australia: https://aphasia.org.au
Canada: https://www.aphasia.ca