Covid-19 Vaccine and the Risk Involved in the Vaccine PICO Question: In patients

Covid-19 Vaccine and the Risk Involved in the Vaccine PICO Question: In patients aged 65 and older (P) how does the use of the Covid-19 vaccine (I) compared to not receiving the vaccine (C) influence the risk of developing adverse reaction (O) within the first week of administration? 2 pages

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