What’s the troubling evidence that people can get this again?

If there is this evidence what’s troubling is that a vaccine will not strengthen the immune system and will not treat a relapse.

I’m not sure what logic there is in trying to win this via vaccine.

Exposure might be the only path to immunity.

If anyone has another idea on this, a satisfactory answer would address what vaccine would have to have to completely wipe out the virus with one inoculation and second how stultifying the immune system puts us ahead of this in the future.

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We Not Me