The Los Angeles Times reported that two people in Santa Clara County infected with coronavirus died on February 6 and February 17; an additional COVID-19 death was confirmed March 6.
Tissue samples were used to determine the Santa Clara County deaths were from coronavirus, and were confirmed by the Centers for Disease Control, the New York Times reported.
Prior to Tuesday, the first report of a U.S. COVID-19 fatality was on February 29 in Kirkland, Washington, and officials later determined two people who died in the area February 26 also had the virus.