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How long does immunity last after COVID vaccination? Do we need booster shots? 2 immunology experts explain – The Conversation AU

Some countries have started administering third doses of COVID vaccines, or booster shots. But we’re still learning about how…

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An important factor in achieving herd immunity against SARS-CoV-2 (the virus that causes COVID-19) is is how long the vaccines protect you.
If a vaccine continues to work well over a long period, it becomes easier to have a significant proportion of the…

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