Communication from …

Custodian protocol 625-1 activated. Message follows: Attention, organic civilization. Widespread biological vulnerabilities have been detected in the … population. In order to ensure your species' viability for the Custodian Project, all major population centers will require inoculation. Bio-injection units are prepared for dispatch to your space upon positive confirmation to this message. Awaiting response.

The command below will trigger the "Communication from …" event in Stellaris:

When this event fires, you can choose between these 3 options:

• Very well, if it's for our own good.
  • This will have unpredictable repercussions. Until these repercussions are revealed, our pops' happiness will be reduced.
• Keep your filthy Xeno fluids to yourselves!
  • The … may react negatively to our refusal.
• We do not trust these inoculations.
  • The … may react negatively to our refusal.

Stellaris events fire in chains — one event leads to the next. Here is how Communication from … (fallen_machine_empire.11) connects.