COVID 19-vaccines are effective. They can keep you from getting and spreading the virus that causes COVID-19. COVID-19 vaccines also help keep you from getting seriously ill even if you do get COVID-19. People who stay up to date with COVID-19 vaccinations do not have to quarantine after exposure to a person with COVID-19 as long as they remain symptom free. Check the CDC’s latest quarantine and isolation guidelines for specific details.
The COVID-19 vaccine is the best way to prevent infection, including from variants.