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Not necessarily true with the new variants, and it won’t be true for future variants either. The virus jumped to wild animals so it’s freely mutating in unvacci
by tekknik 5y ago
Not necessarily true with the new variants, and it won’t be true for future variants either. The virus jumped to wild animals so it’s freely mutating in unvaccinated hosts outside of the human population.
- TulliusCicero 5y agoIIRC the effectiveness is reduced for delta, certainly, but not to zero. But yes, we’ll probably need updated vaccines, similarly to how we update the flu shot every year.