

Early Access
Yes, last updated 32 days ago, averaging 0.3 updates a month.
Last checked Oct 21, 2026
Symptoms of Infection: 4 updates in the last 12 months, avg every 25 days. The chart covers 5 months from June 2026 to October 2026, including months with zero patch notes. Counts are dated patch and update posts, not branch builds. June 2026: 0, July 2026: 2, August 2026: 0, September 2026: 2, October 2026: 0.
| Month | Updates |
|---|---|
| June 2026 | 0 |
| July 2026 | 2 |
| August 2026 | 0 |
| September 2026 | 2 |
| October 2026 | 0 |
Sep 18, 2026 · Patch note
[img src="{STEAM_CLAN_IMAGE}/46075942/383b25319780d41e4463c4ff65f6d23721f5a3d3.png"] As promised on our Early Access description, we have finished developing a major update to SYMPTOMS OF INFECTION . This update is in dedication to everyone who has supported and/or enjoyed SOI . What to expect: Diagnosis and treatment New diseases and unique patients A myst…
Sep 18, 2026 · Build
Public branch build 25385720
Latest build time Steam reports for the public branch.
Sep 5, 2026 · Patch note
New version coming very soon, testing underway
[img src="{STEAM_CLAN_IMAGE}/46075942/383b25319780d41e4463c4ff65f6d23721f5a3d3.png"] As promised on our Early Access description, we have finished developing a major update to SYMPTOMS OF INFECTION . Testing is underway; we estimate a release within 1-2 weeks (possibly earlier, depending on testing results). [img src="{STEAM_CLAN_IMAGE}/46075942/46753376b4d…
Jul 4, 2026 · Patch note
If you stumble upon an error about "VCRUNTIME140.dll" missing, you need to install the Microsoft Visual C++ Redistributable. Most users shouldn't have this issue (as it is a common requirement for a lot of software) but if you do, please let us know. While we would prefer to distribute a single, light executable; if the issue is fairly common we'll work on…
Jul 4, 2026 · Patch note
Fixed Windows "Debug" DLLs requirement
Symptoms of Infection last posted a patch note 32 days ago (Sep 18, 2026: Major update now available).
Symptoms of Infection averaged 0.3 updates a month over the last year. Symptoms of Infection is sporadic (25/100). 2 of the last 12 months had at least one update day. Gaps between updates are somewhat regular.
No. Symptoms of Infection shipped a build or patch note within the last 90 days.