The currently approved Moderna and Pfizer vaccines require individuals to return for a second dose, which increases the vaccines’ effectiveness, a few weeks after receiving the first dose.
According to the CDC, you do not need to have the second dose at the exact interval recommended by the vaccine manufacturer. The Pfizer and Moderna vaccines may be administered up to 6 weeks (42 days) after the first vaccine dose. Data on the efficacy of second-dose vaccines administered more than 6 weeks after the first dose are limited. If a person receives their second dose more than 6 weeks after the first dose, there is no need to restart the series.
If you schedule your vaccination appointment through the Gwinnett, Newton, and Rockdale County Health Departments, you will be able to make your second vaccine appointment at the vaccination site when you check in for your first dose.
The Johnson & Johnson vaccine requires only one dose. According to the Georgia Department of Public Health, the Johnson & Johnson vaccine reaches full effectiveness 28 days after vaccination. More vaccines are nearing emergency approval by the FDA, some of which may only require one dose.