To go Christian mode for a moment. Satan had to know something bad would happen to the bodies of Adam and Eve if they sinned and sure enough it did. . .I have no doubt for every Mengele or Fauci, there's Satan or some demon behind them and guiding them to wreck the human body even further right up until Jesus returns fixes everything wrong with our bodies once and for all.
Exactly, pets immune system develops very fastly, so it's hard for them to catch deadly diseases, while children are venurable for dangerous diseases because their immune system ins't fully developed.
Not really. Children can get whooping cough if they are exposed, everything else is basically protected against with the mother's immune system through nursing.
