Travel restrictions are tricky, because the evidence throughout the pandemic has sort of shifted how expert view travel restrictions. It's thought that they can slow the arrival of new variants, for example, but not block them forever. Do we know how dangerous ron's going to be? Based on what some doctors have said, people appear to have mild infections this morning. Areready? So tee cises, all three children, mild am cises, easily treated at home. And is, it also too early to know whether the vaccines we have will be effective against the umacron barion.