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A COVID-19 study consisting of 36,353 students had 18,198 participants who were given a vaccine and another 18,325 who were given a placebo. The vaccinated

A COVID-19 study consisting of 36,353 students had 18,198 participants who were given a vaccine and another 18,325 who were given a placebo. The vaccinated group had 8 confirmed COVID-19 cases and the placebo group had 162 confirmed COVID-19 cases. What is the risk ratio

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