Some members might not have been receiving alert emails from HealthUnlocked.
It appears the underlying reason for this is the major outage Google had earlier this week - I think the evening of Tuesday 15/12/2020.
After that, HU's email system was no longer able to send emails to some addresses. Probably mostly Gmail addresses.
This happened to me, so I contacted HU support who have resolved it for me. They have advised that if anyone else has the same issue, they should contact HU support.
Email:
support@healthunlocked.com
Or use the web form here:
support.healthunlocked.com/...
Unfortunately admins are unable to assist with this issue.