This technique could be used to make extremely frightening bioweapons - think a disease that has no symptoms as it spreads, allowing it to fly under the radar,

This technique could be used to make extremely frightening bioweapons - think a disease that has no symptoms as it spreads, allowing it to fly under the radar, until a certain condition is met at which point it kills everyone at the same time. Imo it must be considered extremely taboo. Moreso than just contagious vaccines.