reinfestation

/ˌriːɪnfɛˈsteɪʃən/
noun
  1. A new occurrence of pests (like insects, rodents, or parasites) after they have been removed or controlled.
    • Farmers worry about reinfestation of their crops by locusts each season.
    • After the exterminator left, the house had a reinfestation of cockroaches.
    • Regular cleaning helps prevent reinfestation of bed bugs.
Synonyms
What does "reinfestation" mean? | whatsthatwordmean | whatsthatwordmean