https://www.usatoday.com/story/news/health/2021/08/09/covid-already-had-it-experts-say-you-still-need-get-vaccinated/5535920001/According to Experts(tm) you need a Immune System Subscription to Survive Corona-chan, with bi-annual MRNA gene therapy injections.
New Science(tm) says:
“Natural infection will cause your immune system to make many types of antibodies and immune response to all parts of the virus, but only a small fraction of that response is actually protective,” said Nicole Iovine, chief hospital epidemiologist at University of Florida Health in Gainesville. “When you get the vaccine, the entire response is targeted to the virus's spike protein.”