Einherj released an updated version of his light zombie addon Infection on the BI forums.

Features:

• Fixed:
  - The infected slow down indoors
• Improved:
  - Optimized the infected AI
• Added:
  - The infected crawl if their legs are badly damaged
  - Infected unit variable: EHJ_INF_INITIALIZED
  - Infected unit variable: EHJ_INF_TARGET_SEARCH_DISTANCE
  - Infected unit variable: EHJ_INF_TARGET_OBJECT
  - Infected unit variable: EHJ_INF_TARGET_POSITION
  - Infected unit variable: EHJ_INF_HOME_OBJECT
  - Infected unit variable: EHJ_INF_HOME_POSITION
  - Infected unit variable: EHJ_INF_HOME_DISTANCE
  - Infected unit variable: EHJ_INF_SPEED_MODE