Appointments to get the coronavirus vaccine in Mississippi opened up for everyone over the age of 16 on Tuesday, and thousands of residents rushed to book their shots. As of Tuesday, 592,500 people in Mississippi had received one dose of the vaccine, according to the state Department of Health. Almost 60% of all Mississippians 75 and over have received at least one dose. About 330,000 total residents in the state of around 3 million are fully vaccinated.