Can I Get Reinfected With COVID-19?
COVID-19Common questionCan I get reinfected with COVID-19?Cases of reinfection with COVID-19 have been reported, but remain rare​.​In general, reinfection means a person was infected (got sick) once, recovered, and then later became infected again. Based on what we know from similar viruses, some reinfections are expected.
How long does it take to develop immunity after a COVID-19 infection?
Although the immune correlates of protection are not fully understood, evidence indicates that antibody development following infection likely confers some degree of immunity from subsequent infection for at least 6 months.
Interim Guidelines for COVID-19 Antibody Testing
How strong is immunity after a COVID-19 infection?
How Strong Is Immunity After a COVID-19 Infection? About 90% of people develop some number of protective antibodies after a COVID-19 infection, according to the CDC. But how high those levels climb appears to be all over the map.
Infected, Vaccinated, or Both: How Protected Am I From COVID?
What happens if a recovered person from COVID-19 develop symptoms again?
If a previously infected person has recovered clinically but later develops symptoms suggestive of COVID-19 infection, they should be both quarantined and retested.
Coronavirus Information & FAQs
See full answerThe following applies to a person who has clinically recovered from SARS-CoV-2 infection that was confirmed with a viral diagnostic test and then, within 3 months since the date of symptom onset of the previous illness episode (or date of positive viral diagnostic test if the person never experienced symptoms), is identified as a contact of a new case. If the person remains asymptomatic since the new exposure, then they do not need to be retested for SARS-CoV-2 and do not need to
Clinical Questions about COVID-19: Questions and Answers