Quoted: Public health officials do not know how long the immune system protects itself after an infection with COVID-19 and encourage all eligible people to get the vaccine.
“The duration of that protection is unknown,” said Ajay Sethi, associate professor of population health sciences at the University of Wisconsin-Madison School of Medicine and Public Health. “The science is already showing that people who have had the vaccine have better responses to the (delta) variant than people who had past infection.”