SFS Standard Inject Serum Feat 1

Source Tech Core pg. 83
Prerequisites trained in Medicine
You can administer medicine using injection weapons. You can load an injection weapon with a hypopen, poison, or serum as an Interact action. When you successfully Strike with an injection weapon loaded in this way, you deal no damage. Instead, you administer the loaded substance to the target of the Strike.

Traits

General:A type of feat that any character can select, regardless of ancestry and class, as long as they meet the prerequisites. You can select a feat with this trait when your class grants a general feat.
Skill:A general feat with the skill trait improves your skills and their actions or gives you new actions for a skill. A feat with this trait can be selected when a class grants a skill feat or general feat. Archetype feats with the skill trait can be selected in place of a skill feat if you have that archetype's dedication feat.