The US Department of Health and Human Services expanded COVID-19 vaccine availability.<br />The agency said they will now include people age 65 and older in the initial phase of distribution.<br />According to UPI, the changes also give priority to those with underlying health conditions.<br />People of any age with underlying health conditions are at higher risk for serious illness from COVID-19 infection.<br />In addition to expanding the priority population, HHS will also be releasing the nation's "entire supply" of vaccines.<br />As of Tuesday, just 9 million of the 25 million vaccine doses distributed had been administered.