China travel ban does jackshit vs. sars-cov2, as the infection vector was US citizens already visiting China, and the admin let them all come home unchecked and walk around freely for months. You're dim.
430,000 People Have Traveled From China to U.S. Since Coronavirus Surfaced
There were 1,300 direct flights to 17 cities before President Trump’s travel restrictions. Since then, nearly 40,000 Americans and other authorized travelers have made the trip, some this past week and many with spotty screening.