Had COVID once? You’re not off the hook forever.
This video explains why natural immunity to COVID-19 fades over time—and why reinfection is still possible, even if you’ve already recovered.
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So, you’ve had CO and recovered. Are you protected for life? Immunity doesn’t work that way. When you get CO, your immune system creates antibodies and memory cells. That gives you some protection, but how much depends on several things. First, the variant matters. The virus mutates. Immunity after one strain may not protect you from the next. Second, your immune response varies. Some develop strong immunity after infection. Others may develop fewer antibodies and protection fades. Third, time is a factor. Even strong immunity waines. Natural immunity can offer protection for months, but reinfections happen. Vaccines can boost protection and broaden your response to varants. So, true or false? Once you’ve had CO, you’re immune for life. False. You gain some immunity, but it’s not lifelong and it’s not foolproof. Boosters and prevention still matter.
