Will covid-19 vaccines protect people long life? As soon as this question came in my mind and I searched the topic in google. I found an article posted on April 22, 2021. According to this article, experts are not yet sure how long will protection work? The trial of Pfizer shows its double-dose vaccine provides protection against the virus for at least six months. And probably longer. There is more info given in the article. You can read it here https://apnews.com/article/how-long-covid-19-vaccine-protection-last-49340b077e271a750ad804128dbb5f53 [Image source: https://apnews.com]