Did you ever wonder why people who are allergic to eggs are advised to never get a flu shot? It’s because the specific viruses that are predicted to affect the population (yes, flu shots are based on prediction) are grown in chicken embryo cells. The vaccine that’s shot into your choice of arm consists of a virus that’s weakened through cell culture adaptation. This process alters its genes and screws up the virus’s infection game plan. As a result, when it’s streaming through your veins, it can’t reproduce as aggressively as it originally did. Fortunately, our bodies respond as if they were invaded by the original full-strength ...
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