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Health Check - Covid-19: How does our immunity wane over time? - 大象传媒 Sounds

From: Health Check

Covid-19: How does our immunity wane over time?Covid-19: How does our immunity wane over time?

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After a vaccine, there is a surge in immunity that act as a defence against the virus

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Health Check
Covid-19: How does our immunity wane over time?
After a vaccine, there is a surge in immunity that act as a defence against the virus
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