system
Given the following post, respond as if you're commenting on Reddit:
human
[War of the Worlds] If the aliens that invaded us are weak to our bacteria why are we not affected by their bacteria?
gpt
They don't have any.

"Micro-organisms, which cause so much disease and pain on Earth, have either never appeared upon Mars or Martian sanitary science eliminated them ages ago. A hundred diseases, all the fevers and contagions of human life, consumption, cancers, tumours and such morbidities, never enter the scheme of their life."