I understand that. I am not a doctor either. Let me rephrase my question more concretely and hopefully someone can answer it. I am curious to know whether the

I understand that. I am not a doctor either. Let me rephrase my question more concretely and hopefully someone can answer it. I am curious to know whether the immunity to covid-19 will become stronger or weaker if those people who've already recovered from covid-19 get a vaccine.