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Do we know for sure that people are immune after getting it once? A lot of the downplaying rests on that assumption but I haven't seen anything that says we kno
by imgabe 7y ago
Do we know for sure that people are immune after getting it once? A lot of the downplaying rests on that assumption but I haven't seen anything that says we know that's the case.
- ekanes 7y agoDo we know of any viruses that we don't develop immunity to? (I don't know either way). I'm guessing that if we've never encountered a virus like that, then the occasional person we've heard that "got it again" might be just a false positive, one of the two testing times.
- markdown 7y agoThey know for sure, but they don't know for sure how long the immunity lasts. For some people at least, it doesn't last very long.
- seppel 7y agoAnd the virus is mutating.
- arcticbull 7y ago[citation needed]. I'm not saying it can't I'm just saying it hasn't yet.
- markdown 7y agohttps://www.straitstimes.com/singapore/health/coronavirus-no-evidence-yet-that-different-types-of-virus-could-affect-severity-of https://www.straitstimes.com/singapore/health/coronavirus-no...
- deleted 7y ago[deleted]
- seppel 7y agoHere is a nice picture with all the mutations and how they (most likely) relate to each other: https://nextstrain.org/ncov https://nextstrain.org/ncov See also: https://www.sciencemag.org/news/2020/03/mutations-can-reveal-how-coronavirus-moves-they-re-easy-overinterpret https://www.sciencemag.org/news/2020/03/mutations-can-reveal...