Breadcrumb Home COVID-19 Updates COVID-19 Science When You've Been Fully Vaccinated If you are fully vaccinated you can start doing many things that you had stopped doing because of the pandemic. What You Can Start to Do COVID Variants Multiple variants of the virus that causes COVID-19 have been documented in the United States and globally during this pandemic. How does COVID-19 change over time? COVID-19 Vaccines Everyone 16 years of age and older is now eligible to get a COVID-19 vaccination. How do I find my vaccine? Antibodies and Immunity Antibody tests may determine if someone had COVID-19, but immunity is uncertain. Do antibodies provide immunity to COVID-19? Wearing Face Masks Wearing a face covering limits the spread of respiratory droplets that could cause infection. Do face masks protect against COVID-19?