The appointments will be by invitation only to those patients that meet the current criteria.
The president signed an executive order to increase purchases from US manufacturers to accelerate the pace of vaccinations.
Thousands of people are expected to get vaccinated every day in each location.
States in the South face a number of challenges and bureaucratic systems that are not equipped to schedule the huge number of appointments being sought.
"Vaccines for everybody, especially for the most vulnerable and needy," Pope Francis said.
Health officials announced that California's Disneyland would reopen as the first large 'Point-of-Dispensing' COVID vaccine site in Orange County.
Most of the COVID-19 vaccines being rolled out around the world train the body to recognize that spike protein and fight it.
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