|The subject of this article was removed from World of Warcraft in patch 6.0.2.
Scarlet Fever is a passive specialization ability for Blood death knights, available at level 68.
- Patch 6.0.2 (2014-10-14): Removed. Blood Boil effect moved to .
- Patch 5.0.4 (2012-08-28): Now also causes Blood Boil to refresh diseases on targets it damages. Applies Weakened Blows.
- Patch 4.0.3a (2010-11-23): Now procs from Blood Plague instead of Blood Boil.
- Patch 4.0.1 (2010-10-12): Added.