it will close its borders to all foreign nationals for the next two weeks. the cdc says the variant has not been detected in the u.s. medical experts said it could already be here. the u.s. will restrict travel from south africa and seven other african nations starting monday. officials are advising americans not to travel to those countries amid news of the strain present biden surging americans to get vaccinated if they haven t yet emphasized those eligible should get a booster shot. we have boxing team coverage white house correspondent jackie heimlich is present crackling with the present in massachusetts but we begin with jonathan live in atlanta, home for the centers for disease control. good evening. kathy hopeful sign an executive order postponing electric surgeries at hospitals in new york state with limited bed capacity. she did this in anticipation of a potential surge of covid-19 patients. executive order takes effect