US Defense Secretary Lloyd Austin has tested positive for coronavirus.
"I am experiencing mild symptoms, and will quarantine at home for the next five days in accordance with CDC guidelines. I will retain all authorities and plan to maintain my normal work schedule virtually from home," he said in a statement.
The Pentagon chief said vaccinations continue to both slow the spread of COVID-19 and to make its health effects less severe.
"Vaccination remains a medical requirement for our workforce, and I continue to encourage everyone to get fully vaccinated and boosted," he said.