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> I'm not sure what we're supposed to do with this information. Not vaccinate? Stay inside forever and suck our thumbs?

Switch from vaccinating everyone to vaccinating the most vulnerable and using antivirals to treat the illness when it's severe.

> If a more virulent form of SARS comes along that escapes the vaccines, we'll make a new vaccine. We're getting pretty good at it now!

And what if we can't one year --- for any reason? Then billions of people have their brains turn to mush. I don't want human survival to depend on an annual drug refresh.