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by chrisco255
1794 days ago
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The key point: The attack rate was 15/25 (60.0%) in fully vaccinated miners, 6/15 (40.0%) in those partially vaccinated or with a history of COVID-19, and 3/4 (75%) in those not vaccinated. Attack rate was 0/6 among persons with a previous history of COVID-19 versus 63.2% among those with no previous history (Table). In other words, natural immunity from previous Covid case was the only protection and the vaccinated miners were not statistically different than the unvaccinated (sample size of 25 vaccinated at 60% attack rate vs sample size of 4 at 75% attack rate is inconclusive). |
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