A group of people carrying medical scrubs arrive at the Life Care Center of Kirkland, a long-term care facility linked to several confirmed coronavirus cases, in Kirkland, Washington, U.S. March 8, 2020. REUTERS/Lindsey Wasson
Older Americans, especially those with chronic medical concerns, should probably avoid big social gatherings and airline flights, given the rapid spread of coronavirus, a top U.S. health official said on Sunday, as investors braced for another volatile week in financial markets.