Agree with you about the alien’s bringing in diseases many of which were irradicated in the United States many years ago, however I believe the real purpose behind this aggression is the twisted/torqued perspective of the Left.
The Liberal ideology that we all belong to government, therefore we must comply with the health standards deemed necessary by their government as their government requires us all to be of only the best of health to maximize our productiveness to support their government, and happy to do so even if they have to go so far as to kill us if we aren’t.
Ennis, Texas, is currently undergoing massive exposure to Tuberculosis. I would bet a million dollars someone carried it in from another country.