explain how the huge reduction of a Tasmanian devil population since 1996 affects the accessibility of the current population to new diseases in comparison with accessibility of population before 1996?​

In the past two decades, this species has experienced severe population decline due to the emergence of devil facial tumor disease (DFTD), a transmissible cancer. During these 20 years, scientists have puzzled over the immunological and evolutionary responses by the Tasmanian devil to this transmissible cancer