Question
A study was conducted to evaluate the relationship between mRNA COVID-19 vaccination and varicella zoster virus (VZV) reactivation (within 28 days). They compared patients aged
A study was conducted to evaluate the relationship between mRNA COVID-19 vaccination and varicella zoster virus (VZV) reactivation (within 28 days). They compared patients aged greater than or equal to 18 years old who received the mRNA COVID-19 vaccine either as the first or the second dose between December 20, 2021 and July 20, 2022 to patients in a control group who were diagnosed with acne, dry skin, lipoma, skin cysts with no history of COVID-19 vaccination. They study population consisted of 1,110,512 patients. In the sample, 50% received the vaccine, 0.1272% had VZV reactivation, and 99.8667% of the patients in the control group did not have VZV reactivation. You do not need the use probability for any part of this problem. Round your answers to the nearest whole number.
1. How many patients had a VZV reactivation? Show your work
2. How many patients were in the control group? Show your work
3. How many patients in the control group had VZV reactivation? Show your work
4. How many patients who received the vaccine did not have VZV reactivation. Show your work.
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