America's top infectious-disease expert warned that the country could face more lockdowns if cases go up once again, even as the most cautious begin to shrug off their virus fears once-and-for-all.Dr , head of the National Institute of Allergy and Infectious Disease and adviser to President , said easing restrictions, the waning protection from vaccines and the rise of the BA.2 subvariant around the world could bring on another wave of rising infections to the U.S. 'If in fact we do see a turnaround and a resurgence, we have to be able to pivot and go back to any degree of mitigation that is commensurate with what the situation is,' Fauci said in a interview on Thursday.
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