Updates
Later, 6:25 p.m. CT: by the way, today, The WSJ is reporting the same thing but in a more appropriate journalistic style.
Original Post
Major Covid-19 study finds as reported by Fox News (https://www.foxnews.com/health/prior-covid-infection-protection-vaccines-new-study):
- natural immunity may protect from re-infection for up to 40 weeks for some folks; much shorter for other folks (the study only went out as far as 40 weeks);
- protection from reinfection via natural immunity was highest for the original strain (which is no longer with us) and the older variants (alpha, beta and delta) which are no longer a public health threat;
- protection from omicron BA.1 variant -- which is starting to burn itself out -- through natural immunity dropped to 36% -- less protection than an mRNA vaccine (around 43%);
- protection from severe disease through natural immunity was high across all variants but declined over all variants (all of which have burned out and are no longer a public health issue, except perhaps the omicron BA.1 variant where protection against severe disease through natural immunity dipped the fastest); in other words, natural immunity through prior infection with Covid-19 is fleeting and the vaccine is still the gold standard.
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