People who have previously been infected with the virus that causes COVID-19 are protected against being infected again and thus do not need a vaccine, according to a new study. “Our conclusion is that if you were previously infected you are protected because of the previous infection and you don’t need the vaccine,” Dr. Nabin Shrestha, of the Cleveland Clinic’s Department of Infectious Disease told The Epoch Times. Shrestha and colleagues at the clinic studied data on employees, separating them into four groups: previously infected and unvaccinated, previously infected and vaccinated, not previously infected and unvaccinated, and not previously infected and vaccinated. They found the vaccines were strongly effective in preventing infection from the CCP (Chinese Communist Party) virus, which causes COVID-19, but that previous infection also bestowed a natural immunity. “Among the people who were previously infected, whether they took the vaccine or not, there really were no COVID cases,” Shrestha said. …