WASHINGTON - The U.S. Health and Human Services Department announced it will require its employees who provide care or services for patients to get the COVID-19 vaccine, while the Department of Veterans Affairs expanded its virus vaccine mandate to include a wider range of workers and volunteers at its health facilities.The orders come as several government agencies and large companies have announced similar requirements for employees as the highly contagious delta variant fuels COVID-19 cases and prompts worries about the U.S.