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by Scoundreller 1618 days ago
I wouldn’t call it more durable, but it can be more diverse/flexible (there’s more to covid-19 than a specific spike sequence).

But if it was more durable (long-lasting), they wouldn’t have the 180d limit. They put that limit in because of the (lowwwww) risk of continuing to test positive after recovery, but the worst case report I’ve seen is in the 6 week after recovery range.

It’s mostly Canada trying to be punitive when it comes to travelling by requiring PCR, when a within-24h antigen test would be cheap, easy, catch as many asymptomatic cases as a less-fresh PCR, and near zero-risk of false positives immediately after recovery.

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