The Flower.

The Terrans go on a walk to find flowers to make flower crowns they find themselves apon 2 flowers they take the bright orange one unaware of what could happen to them, and the other cybertronians.

Longer description:

On a warm summer day the Terrans go into the forest to find flowers to make flower crowns, they find themselves apon 2 flowers, they take the bright orange one with spots believing nothing is wrong with it unaware that the flower would cause a disease to spread between them and other cybertronians.

Lol this is a transformers Earthspark infection AU probably the first to make something like this idk