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VA Public Schools other than FCPS
Reply to "APS COVID Tests for Spring Break - What percentage do you estimate are going straight in the trash?"
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[quote=Anonymous][quote=Anonymous][quote=Anonymous]Could also be equal unmasking but more natural covid immunity in some populations pre-dating unmasking.[/quote] Natural immunity has a shelf life. If you had Covid in November don't kid yourself that you can't get this variant five months later. We won't ever get to a zero Covid world, but we're still in a situation where it can be seriously disruptive to a person's life so we will continue to mask in crowded indoor places when the risk level rises to Medium or above to try and postpone the inevitable. [/quote] The point isn't if people are kidding themselves. The point is no one can really say why 22207 is having an uptick compared to 22204 when previously in the pandemic the situation was flipped. We don't have that thing called data. Solid data on how previous covid infection really impacts future infection and severity of future infection is hard to come by, although yes we know individual people can get reinfected. This is an attempt to look at the question: https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(22)00143-8/fulltext "In this nationwide study, immunity acquired from a previous infection was associated with a low risk of SARS-CoV-2 reinfection and COVID-19 hospitalisation for up to 20 months. In head-to-head comparisons, immunity acquired from a previous infection plus either one or two doses of a COVID-19 vaccine was associated with a greater reduced risk of SARS-CoV-2 reinfection and COVID-19 hospitalisation for up to 9 months than previous infection only, although with small differences in absolute numbers during follow-up."[/quote]
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