The purpose of a vaccine is to keep a person out of the hospital. Defined that way, current Covid-19 vaccines are quite effective. The people being hospitalized now are those who chose to avoid vaccination rather than those who were fully vaccinated. That remains true for the Delta variant. The Lambda variant is in South America and hasn’t migrated, as yet. (Yes, it exists and large population of unvaccinated people will be breeding groups for new varieties.)
So what about booster shots?
The case for boosters is simple.
- We don’t know how long the vaccines work. Better safe than sorry.
- If you had no major reaction to the original shot, you’re highly unlikely to react to a repetition of that shot.
- People have gotten booster shots with no issues.
- In fact, the annual flu vaccination is basically a booster shot against the flu. Boosters are in fact what we are…
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