Simplify the following text for a Grade 12 native English-speaking person.
Original: During this time , the virus will not produce any progeny , it will remain inactive until external stimuli ( such as light or stress ) prompts it into activation .
Simplified: During this time , the virus will not produce any copies , it will remain inactive until external stimuli ( such as light or stress ) prompts it into activation , or the redtart of the life cycle .