Health
Why do we need booster shots, and could we mix and match different COVID vaccines? – Micky News
The COVID vaccine rollout is now underway in Australia and around the world. It’s incredible we’ve been able to develop and produce safe and effective vacci

Fortunately, researchers are already developing and testing booster shots. So what are booster shots, and when might we need them?
First a prime, then a boost
The first time you give someone a dose of vaccine against a particular infection, its called a prime. Youre getting your immune response ready to roll.
Each time you give another dose against that same infection, its called a boost. Youre building on immunity you already have from the first dose.
Importantly, giving smaller doses in multiple…
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