HHS Assistant Secretary for Health Brett Giroir said the department is “very confident” an improved congressional COVID-19 testing system will be in place in time for President-Elect Joe Biden’s inauguration, coming after FDA warned earlier this week that the test currently used by members of Congress could be faulty. He also said the new, more contagious strains of COVID-19 found in the United Kingdom and South Africa are still detectable by current U.S. testing systems, and, while it is not...