Before announcing it, they needed a countermeasure or at least be able to assure the people that the pests and disease they were battling would not spread further.
Or else, it would cause panic and chaos among the people.
They needed a solid plan in place to mitigate the potential fallout.
The quick spread of pests and disease to several territories was already a pressing concern, and premature disclosure could incite widespread panic and disorder.
Most especially since winter is approaching and might start any day now.
More affluent families might preemptively hoard supplies in fear of prolonged shortages. They would think that no new supplies will arrive until the next harvest due to ruined crops and produce this season.
Such hoarding would then cause a lack of supply and even lead to scarcity for the less affluent.
