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r/primaryimmune PUBLIC

Primary immunodeficiency diseases (PI), also called primary immunodeficiency disorders, are a group of more than 550 rare, chronic disorders in which part of the body’s immune system is missing or functions improperly. Because the immune system is weakened, PI patients are at risk for repeat infections and other health problems.

1,401 members
Created: Jul 2014
Language: EN
NEUTRAL SENTIMENT
Last analyzed: Jul 16, 2026 00:01
Marketing Summary

r/primaryimmune is a PUBLIC community on Reddit with over 1,401 members. It currently has a neutral sentiment with an engagement rate of 317.3%. With a community friendliness score of 50, this subreddit presents a low conversion potential for authentic brand participation. Self-promotion is generally allowed according to recent analysis.

50
Friendliness Score
317.3%
Engagement Rate
30
Conversion Potential
1.0%
Monthly Growth
Marketing Analytics
6.6
Avg Post Score
8.0
Avg Comments
25
Brand Mentions
0
Posts/Hour
Top Post Types
text 84.0% (42)
link 16.0% (8)
Peak Activity Hours
Times shown in UTC (Coordinated Universal Time) Local times are automatically converted based on your browser's timezone
12AM UTC
High
~15 active
8AM UTC
Medium
~15 active
Community Culture
Community Sentiment NEUTRAL
Friendliness Score: 50/100
2.9K
Avg User Karma of Top Posts
70%
Commercial Acceptance
Content Preferences
Moderation Patterns
Rules & Compliance
3
Total Rules
Images
Videos
Self Promotion
Require Flairs
Public
Posting Requirements & Restrictions
No limit
Minimum Karma
No limit
Min Account Age (days)
ANY
Submission Type
Enabled
Flair System
Subreddit Rules
  1. Be kind - no hate speech: You have no way of truly knowing what someone else is going through. Offensive and hateful speech will not be tolerated.
  2. No unsolicited medical advice: Refrain from giving medical advice (unless you’re professionally qualified… and even then, take that with a grain of salt).
  3. No requests for money: Unfortunately, since we cannot verify the legitimacy of personal requests for money such as GoFundMe pages, etc., these kinds of posts will be removed.
Marketing Data Updated
Jul 16, 2026
Rules Updated
Jun 30, 2026
Compliance Updated
Jun 30, 2026

What is r/primaryimmune?

r/primaryimmune is a public Reddit community created in July 2014 with over 1,401 members. Primary immunodeficiency diseases (PI), also called primary immunodeficiency disorders, are a group of more than 550 rare, chronic disorders in which part of the body’s immune system is missing or functions improperly. Because the immune system is weakened, PI patients are at risk for repeat infections and other health problems.

The community has a neutral sentiment and an engagement rate of 317.3%. With a friendliness score of 50, it is considered very welcoming to new members.

Self-promotion is generally allowed, making it a potential opportunity for authentic brand participation.

Frequently Asked Questions about r/primaryimmune

r/primaryimmune is a public Reddit community with 1,401 members. Primary immunodeficiency diseases (PI), also called primary immunodeficiency disorders, are a group of more than 550 rare, chronic disorders in which part of the body’s immune system is missing or functions improperly. Because the immune system is weakened, PI patients are at risk for repeat infections and other health problems.

With a conversion potential of 30 and an engagement rate of 317.3%, r/primaryimmune presents a low opportunity for authentic brand participation. Self-promotion is generally allowed, but always follow community guidelines.

r/primaryimmune has 3 community rules.

r/primaryimmune has an engagement rate of 317.3% with an average post score of 6.6 and an average of 8.0 comments per post. The community sentiment is neutral with a friendliness score of 50 out of 10.
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