Theories, Predictions and Truth

If Germ Theory was proven, why isn't it called Germ Law?
https://www.differencebetween.com/difference-between-germ-theory-and-vs-terrain-theory
If Terrain Theory isn't provable, then how did this doctor know that Wuhan would have an outbreak?
https://steemit.com/fearfree/@withinsight/doctor-who-predicted-covid-19-answers-all
Beyond fear, is there truth?
https://steemit.com/fearfree/@withinsight/truth-amidst-a-false-positive-lie